Global automotive safety system

A system for providing security to an in-vehicle communication network, the system comprising: a data monitoring and processing hub; and at least one module configured to monitor messages in communication traffic propagating in a vehicle's in-vehicle network, the network having a bus and at least one node connected to the bus, the module comprising: a communication interface configured to support communication with the hub; a memory having software comprising data characterizing messages that the at least one node transmits and receives during normal operation of the node; at least one communication port via which the module receives and transmits messages configured to be connected to a portion of the in-vehicle network; a processor that processes messages received via the port from the portion of the in-vehicle network responsive to the software in the memory to: identify an anomalous message in the received messages indicative of exposure of the in-vehicle network to damage from a cyber attack; determine an action to be taken by the module that affects the anomalous message; and transmit data responsive to the anomalous message to the hub for processing by the hub via the communication interface.

Bus watchman

A module for providing security to an in-vehicle communication network comprising at least one node, the module being operative to identify an anomalous message in the network indicative of exposure of the in-vehicle network to damage from a cyber attack and transmit at least one signal that alters the anomalous message so that the at least one node will discard it.

SYSTEM AND METHOD FOR DETECTION AND PREVENTION OF ATTACKS ON IN-VEHICLE NETWORKS

Systems and methods for detection of attacks on a communication authentication layer of an in-vehicle network, including determining, by at least one network node, at least one attack attempt on the communication authentication layer of the in-vehicle network, wherein the determination is carried out by identifying anomalies in at least one of messages, data and metadata directed to the communication authentication layer, and selecting, by the at least one network node, a response corresponding to the determined attack attempt from at least one of modification of parameter values corresponding to a security protocol, a failsafe response, and rejection of messages identified as anomalies. 1. A method of detecting attacks on a communication authentication layer of an in-vehicle network , the method comprising:determining, by at least one network node, at least one attack attempt on the communication authentication layer of the in-vehicle network, wherein the determination is carried out by identifying anomalies in at least one of messages, data and metadata directed to the communication authentication layer; andselecting, by the at least one network node, a response corresponding to the determined attack attempt, said response selected from at least one of:modification of parameter values corresponding to a security protocol;a failsafe response; andrejection of messages identified as anomalies.2. The method of claim 1 , further comprising counting claim 1 , by the at least one network node claim 1 , the number of valid messages and the number of invalid messages received by the node during a predefined time interval claim 1 , wherein the response is selected if the number of valid messages is less than a first threshold and the number of invalid messages is greater than a second threshold for the predefined time interval.3. The method of claim 2 , wherein the response is selected in accordance with the number of received messages of a predetermined type being greater ...

SYSTEM AND METHOD FOR CONSISTENCY BASED ANOMALY DETECTION IN AN IN-VEHICLE COMMUNICATION NETWORK

A system and method for providing security to a network may include monitoring, by a processor, traffic on a first and second network portions of an in-vehicle communication network; determining whether or not a first message detected on the first network portion is anomalous based on at least one of: an attribute of a second message detected on the second network portion and an absence of a second message from the second network portion over a predefined time period; and, if it is determined the first message is anomalous then performing at least one action. 1. A system including a non-transitory computer readable medium including instructions that , when executed by at least one processor , cause the at least one processor to perform security operations , the operations comprising:monitoring traffic on a first and second network portions of an in-vehicle communication network;determining whether or not a first message detected on the first network portion is anomalous based on at least one of: an attribute of a second message detected on the second network portion and an absence of a second message from the second network portion over a predefined time period; andif it is determined the first message is anomalous then performing at least one action.2. The system of claim 1 , wherein the processor is configured to determine whether or not the first message is anomalous based on comparing content in the first and second messages.3. The system of claim 1 , wherein the processor is configured to determine whether or not the first message is anomalous based on a model that indicates a relation between messages on the first portion and messages on the second portion.4. The system of claim 1 , wherein the processor is configured to determine whether or not the first message is anomalous based on a time difference between a reception of the first message and a reception of the second message.5. The system of claim 1 , wherein the processor is configured to determine ...

Obd port access control

A module for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus, the module comprising: a memory having software comprising data characterizing messages that the at least one node transmits to and/or receives via the bus; a communication port via which the module receives and transmits messages configured to be connected to a portion of the in-vehicle network; and a processor that is operable to: processes messages received via the port responsive to the software in the memory to control passage of messages through an on-board diagnostics (OBD) port between the in-vehicle network and an entity external to the vehicle.

FLEET MONITORING

A system for providing security to a fleet of vehicles, the system comprising: a plurality of modules, each module configured to monitor messages propagating in an in-vehicle network of a vehicle comprised in the fleet; a memory having data characterizing messages, and software executable to: identify an anomaly in communications over the in-vehicle communication network; and instruct a communication interface, configured to support communication with an entity external to the vehicle, to transmit monitoring data responsive to the messages; and a processor configured to execute the software in the memory; and a data monitoring and processing hub external to the vehicles comprised in the fleet and operable to receive transmission of monitoring data from the plurality of modules. 1. A system for providing security to a fleet of vehicles , the system comprising: at least one communication port connectable to a portion of the in-vehicle network, via which the module receives and transmits messages;', 'a memory having data characterizing messages that the at least one node transmits and receives during normal operation of the node, and software executable to:', 'identify, responsive to the data characterizing messages and messages received from the in-vehicle network, an anomaly in communications over the in-vehicle communication network; and', 'instruct a communication interface, configured to support communication with an entity external to the vehicle, to transmit monitoring data responsive to the received messages; and', 'a processor configured to execute the software in the memory; and, 'a plurality of modules, each module configured to monitor messages propagating in an in-vehicle network of a vehicle comprised in the fleet, the in-vehicle network having a bus and at least one node connected to the bus, each module comprisinga data monitoring and processing hub external to the vehicles comprised in the fleet and operable to receive transmission of monitoring data ...

Message data acquisition

An in-vehicle communication network comprising at least one node connected to a bus, the network comprising: at least one memory comprising software having data characterizing messages that propagate over the network during normal operation and executable instructions for processing a message based on the data to determine if the message is normal or anomalous; a module operable to: process messages received from the in-vehicle network in accordance with the executable instructions and the data to identify an anomaly in communications over the in-vehicle communication network; accumulate and store information responsive to the processing of the received messages; instruct a communication interface, configured to support communication with an entity external to the vehicle, to upload the stored information or a portion thereof to the entity external to the in-vehicle network.

AUTOMOTIVE CYBERSECURITY

A module for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus, the module including: a memory having software including a model of an expected behavior of data communications over the portion of the in-vehicle communication network; and a processor that processes, responsive to the software in the memory, a plurality of messages registered from a portion of the in-vehicle network to: determine, based on the model and a context comprising attributes of the plurality of messages, whether or not at least one of the messages complies with the model; and if the at least one message does not comply with the model, then perform at least one action on the message. 1. A module for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus , the module comprising: software comprising executable instructions;', 'a vehicle context comprising attributes of a plurality of messages registered from at least a portion of the in-vehicle communication network; and', 'a model of an expected behavior of data communications over the in-vehicle communication network; and, 'a memory storing determine, based on the model and the vehicle context, whether or not the registered message complies with the model; and', 'if the registered message does not comply with the model, then perform at least one action on the registered message., 'a processor that processes, responsive to the software in the memory, a message registered from the in-vehicle communication network to2. The module according to claim 1 , wherein the attributes of the plurality of messages comprise one or more attributes characterizing a behavior of an operator of the vehicle.3. The module according to claim 1 , wherein the model is defined by at least one classifier and the vehicle context is defined by at least one feature vector comprising one or more message attributes characterizing one or more messages ...

System and method for detection and prevention of attacks on in-vehicle networks

Systems and methods for detection of attacks on a communication authentication layer of an in-vehicle network, including determining, by at least one network node, at least one attack attempt on the communication authentication layer of the in-vehicle network, wherein the determination is carried out by identifying anomalies in at least one of messages, data and metadata directed to the communication authentication layer, and selecting, by the at least one network node, a response corresponding to the determined attack attempt from at least one of modification of parameter values corresponding to a security protocol, a failsafe response, and rejection of messages identified as anomalies.

System and method for controlling access to an in-vehicle communication network

A system or method may include an in-vehicle network including an interface port for connecting an external device to the in-vehicle network; and a security unit connected to the in-vehicle network, the security unit adapted to enable an external device to communicate with the in-vehicle network, over the interface port, based on a security token received from the external device. A system or method may, based on a token, prevent an external device from at least one of: communicating with a selected set of components on in an in-vehicle network, communicating with a selected set of network segments in the in-vehicle network and performing a selected set of operations.

SYSTEM AND METHOD FOR ANOMALY DETECTION IN DIAGNOSTIC SESSIONS IN AN IN-VEHICLE COMMUNICATION NETWORK

A method of monitoring communications propagating in an in-vehicle communications network of a vehicle, the method comprising: monitoring messages transmitted over at least a portion of the in-vehicle network; determining if the transmitted messages are indicative of a current data transfer session conducted over the in-vehicle network; comparing at least one feature of a message of the transmitted messages to at least one expected feature of a message comprised in a model of the data transfer session to determine whether or not the at least one feature of the transmitted message is expected; determining that the transmitted message is an anomalous message if the feature of the transmitted message is determined to be unexpected. 1. A method of monitoring communications propagating in an in-vehicle communications network of a vehicle , the method comprising:monitoring messages transmitted over at least a portion of the in-vehicle network;determining if the transmitted messages are indicative of at least one current data transfer session being conducted over the in-vehicle network;comparing at least one feature of a given message of the transmitted messages to at least one expected feature of a message comprised in a model of the at least one current data transfer session to determine whether or not the at least one feature of the transmitted message is expected;determining that the given transmitted message is an anomalous message if the feature of the given transmitted message is determined to be unexpected.2. The method according to wherein the at least one feature of the given transmitted message comprises a source port at which the given transmitted message is received by the in-vehicle communication network.3. The method according to wherein the at least one feature of the transmitted message comprises a destination of the given transmitted message in the in-vehicle communications network claim 1 , and/or an identity (ID) of the given transmitted message.4. The ...

Os monitor

An in-vehicle communication network comprising a bus and at least one node connected to the bus; an in-vehicle network operating system (OS) that manages OS processes, to enable a processor to run the processes and execute their respective process codes; and a module hosted in the OS that is configured to monitor the OS and vet a process that the OS enables for running by a processor to determine if the process is potentially damaging.

Tamper tune watchman

A method of determining if a vehicle's performance has been modified, the method comprising: acquiring operational data comprised in communications signals transmitted over a vehicle's in-vehicle network during operation of the vehicle; processing the operational data to determine an operational profile for the vehicle that characterizes actual operation of the vehicle; and determining based on the operational profile if the vehicle performance has undergone modification.

BUS WATCHMAN

A module for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus, the module comprising: a memory having software comprising data characterizing messages that the at least one node transmits and receives via the bus during normal operation of the node; a communication port via which the module receives and transmits messages configured to be connected to a portion of the in-vehicle network; and a processor that processes messages received via the port from the portion of the in-vehicle network responsive to the software in the memory to: identify an anomalous message in the received messages indicative of exposure of the in-vehicle network to damage from a cyber attack; and cause the module to transmit at least one signal via the port to the portion of the in-vehicle network that alters the anomalous message so that the at least one node will discard it. 1. A module for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus , the module comprising:a memory having software comprising data characterizing messages that the at least one node transmits and receives via the bus during normal operation of the node;a communication port via which the module receives and transmits messages, the port being configured to be connected to a portion of the in-vehicle network; anda processor that processes, responsive to the software in the memory, messages received via the port from the portion of the in-vehicle network to: identify an anomalous message in the received messages indicative of exposure of the in-vehicle network to damage from a cyber attack; and cause the module to transmit at least one signal via the port to the portion of the in-vehicle network that alters the anomalous message so that the at least one node will discard it.2. The module according to wherein the in-vehicle network is a CAN in-vehicle network and the received messages are control ...

HOSTED WATCHMAN

An in-vehicle communication network comprising: a bus and at least one node connected to the bus; an in-vehicle network operating system (OS) that manages OS processes, a secondary memory in which process codes for the processes are stored, and a primary memory, into which the OS loads a copy of a process code of a process to enable a processor to run the process and execute the process code; and a module hosted in the OS and having a hook in at least one position of the OS that provides information to the module responsive to operation of the OS that the module processes in accordance with executable instructions that the module comprises to determine if the in-vehicle OS is operating properly. 1. An in-vehicle communication network comprising:a bus and at least one node connected to the bus;an in-vehicle network operating system (OS) that manages OS processes, a secondary memory in which process codes for the processes are stored, and a primary memory, into which the OS loads a copy of a process code of a process to enable a processor to run the process and execute the process code; anda module hosted in the OS and having a hook in at least one position of the OS that provides information to the module responsive to operation of the OS that the module processes in accordance with executable instructions and/or data that the module comprises to determine if the in-vehicle OS is operating properly.2. The in-vehicle communication network according to wherein the at least one position in the OS comprises at least one or any combination of more than one of: a fork ( ) claim 1 , exec ( ) claim 1 , spawn ( ) claim 1 , or open ( ).3. The in-vehicle communication network according to wherein processing the information comprises determining if a copy of a process code in the primary memory being run by the processor and generating communication messages for transmission via the in-vehicle communication network is a copy of process code of a known process.4. The in-vehicle ...

DETECTIVE WATCHMAN

Apparatus for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus and having software responsive to which the node performs operations, the apparatus comprising: a first module configured to be connected to the at least one node and generate and transmit a hash of at least a portion of the node software in response to receiving a challenge; and a second module configured to be connected to the in-vehicle network and transmit a challenge to the first module requesting that the first module generate and transmit a hash of the at least a portion of the node software to the second module; wherein the second module is configured to determine if the hash received from the first module is generated responsive to a correct version of the node software. 1. Apparatus for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus and having software responsive to which the node performs operations , the apparatus comprising:a first module configured to be connected to the at least one node and generate and transmit a hash of at least a portion of the node software in response to receiving a challenge; anda second module configured to be connected to the in-vehicle network and transmit a challenge to the first module requesting that the first module generate and transmit a hash of the at least a portion of the node software to the second module;wherein the second module is configured to determine if the hash received from the first module is generated responsive to a correct version of the node software.2. The apparatus according to wherein the second module is configured to vary the challenge from time to time so that the hash will not be the same each time the second module challenges the first module.3. The apparatus according to wherein the second module comprises a copy of the correct version of the node software and is configured generate a copy of a hash ...

GLOBAL AUTOMOTIVE SAFETY SYSTEM

A system for providing security to an in-vehicle communication network, the system comprising: a data monitoring and processing hub; and at least one module configured to monitor messages in communication traffic propagating in a vehicle's in-vehicle network, the network having a bus and at least one node connected to the bus, the module comprising: a communication interface configured to support communication with the hub; a memory having software comprising data characterizing messages that the at least one node transmits and receives during normal operation of the node; at least one communication port via which the module receives and transmits messages configured to be connected to a portion of the in-vehicle network; a processor that processes messages received via the port from the portion of the in-vehicle network responsive to the software in the memory to: identify an anomalous message in the received messages indicative of exposure of the in-vehicle network to damage from a cyber attack; determine an action to be taken by the module that affects the anomalous message; and transmit data responsive to the anomalous message to the hub for processing by the hub via the communication interface. 1. A system for providing security to an in-vehicle communication network , the system comprising:a data monitoring and processing hub external to the in-vehicle network; and a memory having software comprising data characterizing messages that the at least one node transmits and receives during normal operation of the node;', 'at least one communication port via which the at least one module is configured to monitor the communication traffic, the port being configured to be connected to a portion of the in-vehicle network;', 'a communication interface configured to support communication with the hub directly or via the at least one communication port;, "at least one module configured to monitor messages in communication traffic propagating in the vehicle's in-vehicle ...

System and method for time based anomaly detection in an in-vehicle communication network

A system and method for providing security to a network may include maintaining, by a processor, a model of an expected behavior of data communications over the in-vehicle communication network; receiving, by the processor, a message sent over the network; determining, by the processor, based on the model and based on a timing attribute of the message, whether or not the message complies with the model; and if the message does not comply with the model then performing, by the processor, at least one action related to the message.

SYSTEM AND METHOD FOR DETECTING EXPLOITATION OF A COMPONENT CONNECTED TO AN IN-VEHICLE NETWORK

A system and method for detecting cyber threats in a vehicle may detecting an event related to exploitation of a component connected to an in-vehicle network based on a deviation of execution of executable code from a reference execution behavior. A deviation may be detected based on a set of whitelists and blacklists. An event related to a deviation may be recorded. 2. The system of claim 1 , comprising a rule engine adapted to associate chains of events with a threat.3. The system of claim 1 , wherein the system is adapted to provide a server with data related to detected security threats and the server is adapted to generate and present data related to a fleet of vehicles.4. The system of claim 1 , wherein the system is adapted to receive events from one or more software sensors.5. The system of claim 4 , wherein at least some of the software sensors are adapted to:intercept a system call or an instruction to be executed;detect a security threat based analyzing data related to the intercepted call or instruction; andlog the threat.6. The system of claim 5 , wherein at least some of the software sensors are adapted block or prevent the call or instruction.7. The system of claim 1 , wherein the system is adapted to:associate a security policy with at least one application;digitally sign the security policy; andverify the security based on a signature.8. The system of claim 1 , wherein the system is adapted to:detect a security threat;associate the threat with a confidence level; andselect performing at least one action based on the confidence level.9. The system of claim 1 , wherein the system is adapted to scan a memory to detect a deviation based on a timer or based on an event.10. The system of claim 1 , wherein the system is adapted to perform at least one action selected from the group consisting of: disabling a component connected to the network claim 1 , killing a process claim 1 , activating a component connected to the network claim 1 , blocking a message ...

In-vehicle network anomaly detection

A method of identifying a node of a plurality of nodes in an in-vehicle communications network that transmitted a waveform propagating in the network, comprising comparing a fingerprint generated for the propagating voltage waveform with a library having library fingerprints that are unique for waveforms transmitted by each node to determine which node transmitted the waveform.

BUS WATCHMAN

A cyber security module for providing security to an in-vehicle communication network having a bus, at least one node connected to the bus, and at least one communications device coupled to the in-vehicle communication network configured to interface the in-vehicle network with an external communication network, the cyber security module comprising: a communication port configured to receive a message from the communication device that the communication device generates based on a message that the communication device receives from the external communication network; at least one communication port coupled to the bus; an authentication module configured to authenticate whether or not the message originated from an authorized source; and a processor configured to operate to prevent content of the message from being operated on if the authentication module determines that the source of the message received by the communication device is not from an authorized source. 1. A cyber security module for providing security to an in-vehicle communication network having a bus , at least one node connected to the bus , and at least one communications device coupled to the in-vehicle communication network configured to interface the in-vehicle network with an external communication network , the cyber security module comprising:a communication port configured to receive a message from the communication device that the communication device generates based on a message that the communication device receives from the external communication network;at least one communication port coupled to the bus;an authentication module configured to authenticate whether or not the message originated from an authorized source; anda processor configured to operate to prevent content of the message from being operated on if the authentication module determines that the source of the message received by the communication device is not from an authorized source.2. The cyber security module according ...

System and method for providing cyber security to an in-vehicle network

A system and method securing an in-vehicle network in a vehicle may include a switch connected to at least two segments of the in-vehicle network and an IDPS connected to the switch. The IDPS unit may be adapted to: receive network messages from the switch; determine at least some of the network messages are related to a cyber threat and configure the switch according to the cyber threat. The IDPS unit may be included in the switch.

Cryptic vehicle shield

A method of providing an alert of an occurrence of a hacker intrusion, the method comprising: detecting a hacker intrusion; and transmitting a concealed or camouflaged report of the hacker intrusion to provide an alert of the occurrence of the intrusion.

IN-VEHICLE CYBER PROTECTION

A module for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus, the module comprising: a communication port via which the module receives and transmits messages, the port being configured to be connected to a portion of the in-vehicle network; and a processor that processes, messages received via the port from the portion of the in-vehicle network to classify a received message as to whether or not it is an anomalous message and if the message is classified as anomalous determine an appropriate response. 1. A module for providing security to an in-vehicle communication network having at least one bus and at least one node connected to the bus , the module comprising:a communication port via which the module receives and transmits messages, the port being configured to be connected to the in-vehicle network; and classify a received message as to whether or not it is an anomalous message; and', 'if the message is classified as anomalous determining a response comprising at least one or any combination of more than one of: transmitting at least one message that reconfigures at least one electronic control unit (ECU) of the vehicle; shutting down a portion of the in-vehicle network; and/or transmitting at least one valid message over the in-vehicle network that overrides the anomalous message., 'a processor configured to process messages received via the port to2. The module according to wherein transmitting at least one message that reconfigures at least one ECU claim 1 , comprises a transmitting a message that causes an ECU of the at least one ECU to reset to a known safe default configuration.3. The module according to wherein transmitting at least one message that reconfigures at least one ECU comprises transmitting a message that causes the ECU to operate only responsive to messages for which the vehicle operates within a safe range for at least one critical vehicle function.4. The module according to ...

NET SLEUTH

A method of identifying a node of a plurality of nodes in an in-vehicle communications network that transmitted a waveform propagating in the network, comprising providing a library of fingerprints having a unique library fingerprint for waveforms transmitted by each node and comparing a fingerprint generated for the propagating voltage waveform with library fingerprints to determine which node transmitted the waveform. 1. A method of identifying a node of a plurality of nodes in an in-vehicle communications network that transmitted a waveform propagating in the network , the method comprising:receiving a plurality of analog voltage waveforms representing bit streams transmitted over the network by a plurality of J nodes comprised in an in-vehicle network;sampling each of the analog voltage waveforms to generate a discrete time sequence of samples for the waveform;processing each time sequence in accordance with an integral transform to generate a discrete transform sequence of a function of the sequence of samples, the transform sequence comprising a sequence of functions multiplied by respective amplitudes;providing a library of fingerprints comprising a unique library fingerprint for each node that comprises a feature vector in a vector space having components based on the amplitudes;receiving an analog voltage waveform propagating over the network;determining a fingerprint for the propagating waveform comprising a feature vector in the same vector space as the library vectors;comparing the fingerprint for the propagating voltage waveform with library fingerprints to determine which node transmitted the waveform.2. The method according to wherein providing a library fingerprint for a node comprises determining a first feature vector for each node unique to the node and having components based on the amplitudes of the transform sequence.3. The method according to wherein the components based on the amplitudes are absolute values of the amplitudes.4. The method ...

Context-aware firewall for in-vehicle cyber securtiy

A module for providing security to a vehicle's in-vehicle communication network that is responsive to an operational state of the vehicle.

WATCHMAN HUB

A system for providing security to an in-vehicle communication network, the system comprising: a data monitoring and processing hub external to the in-vehicle network, the in-vehicle network having a bus and at least one node connected to the bus; a module configured to monitor messages in communication traffic propagating in the in-vehicle network, the module comprising: at least one communication port via which the module receives and transmits messages; a memory having data characterizing messages that the at least one node transmits and receives during normal operation of the node, and software executable to: identify, responsive to the data characterizing messages, an anomaly in communications over the in-vehicle communication network; and instruct a communication interface, configured to support communication with the hub, to transmit monitoring data responsive to identifying the anomaly to the hub for processing; and a processor configured to execute the software in the memory. 1. A system for providing security to an in-vehicle communication network , the system comprising:a data monitoring and processing hub external to the in-vehicle network, the in-vehicle network having a bus and at least one node connected to the bus;a module configured to monitor messages in communication traffic propagating in the in-vehicle network of a vehicle, the module comprising:at least one communication port connectable to a portion of the in-vehicle network, via which the module receives and transmits messages;a memory having data characterizing messages that the at least one node transmits and receives during normal operation of the node, and software executable to:identify, responsive to the data characterizing messages, an anomaly in communications over the in-vehicle communication network; andinstruct a communication interface, configured to support communication with the hub, to transmit monitoring data responsive to identifying the anomaly to the hub for processing; ...

Common state detection

A module for providing security to a vehicle's in-vehicle communication network that is responsive to an operational state of the vehicle.

System and method for providing fleet cyber-security

A system and method for providing fleet cyber-security comprising may include collecting, by a plurality of data collection units installed in a respective plurality of vehicles in the fleet, information related to cyber security and including the information in reports to a server. Data in reports may be aggregated, by the server. A cyber-attack may be identified based on aggregated data.

SYSTEM AND METHOD FOR PROVIDING SECURITY TO A COMMUNICATION NETWORK

A system and method for providing security to a network may include identifying a message sent over a network, the message related to a data transfer from an initiator to a target node, and transmitting, over the network, at least one disruptive message that causes the data transfer to fail. 1. A system comprising:a memory; anda controller configured to:identify a message sent over a network, the message related to a data transfer from an initiator to a target node; andtransmit, over the network, at least one disruptive message that causes the data transfer to fail.2. The system of claim 1 , wherein the identified message is one of: a message sent by the initiator in order to prepare the target node to receive the data transfer and a message sent by the target node in reply to a message sent by the initiator.3. The system of claim 1 , wherein the disruptive message modifies a state of a node.4. The system of claim 1 , wherein the controller is further configured to select an operational mode and selectively send disruptive messages based on the selected operational mode.5. The system of claim 1 , wherein the controller is further configured to select whether or not to send the disruptive message based on a context.6. The system of claim 1 , wherein the controller is further configured to send a first disruptive message to the initiator and a second disruptive message to the target node.7. The system of claim 1 , wherein the controller and memory are embedded in a node that is adapted to control at least one system in a vehicle.8. The system of claim 1 , wherein the controller is further configured to select the disruptive message according to a predefined protocol.9. The system of claim 1 , wherein the controller is further configured to select the disruptive message based on at least one of: a context claim 1 , a message received by the controller claim 1 , the target node and a stage of a session.10. The system of claim 1 , wherein the controller is further ...

SYSTEM AND METHOD FOR TIME BASED ANOMALY DETECTION IN AN IN-VEHICLE COMMUNICATION NETWORK

A system and method for providing security to a network may include maintaining, by a processor, a model of an expected behavior of data communications over the in-vehicle communication network; receiving, by the processor, a message sent over the network; determining, by the controller, based on the model and based on a timing attribute of the message, whether or not the message complies with the model; and if the message does not comply with the model then performing, by the processor, at least one action related to the message. 1. A system including a non-transitory computer readable medium including instructions that , when executed by at least one processor , cause the at least one processor to perform timing-based cyber-security operations , the operations including:maintaining a timing model of an expected behavior of data communications over an in-vehicle communication network;receiving a plurality of messages communicated over the network;determining, based on the timing model and based on timing attributes of the plurality of messages, whether or not at least one of the messages complies with the timing model; andif at least one message does not comply with the timing model then performing, by the processor, at least one action related to the message.2. The system of claim 1 , wherein determining whether or not at least one of the messages complies with the timing model includes determining at least one message included in the plurality of messages is related to an anomaly by:monitoring time lapses related to a plurality of messages communicated on the in-vehicle communication network and having the same message ID value,calculating an average time lapse for the ID value, andbased on relating the average time lapse to a threshold included in the timing model, determining whether or not at least one message included in the plurality of messages is related to an anomaly.3. The system of claim 2 , wherein the threshold is dynamically modified.4. The system of ...

SYSTEM AND METHOD FOR CONTENT BASED ANOMALY DETECTION IN AN IN-VEHICLE COMMUNICATION NETWORK

A system and method for providing security to a network may include maintaining, by a processor, a model of an expected behavior of data communications over an in-vehicle communication network; receiving, by the processor, a plurality of messages communicated over the network; determining, by the processor, based on the model and based on content attributes of the plurality of messages, whether or not at least one of the messages complies with the model; and if at least one message does not comply with the model then performing, by the processor, at least one action related to the message. 1. A system including a non-transitory computer readable medium including instructions that , when executed by at least one processor , cause the at least one processor to perform content-based cyber-security operations , the operations including:maintaining a content model of an expected behavior of data communications over an in-vehicle communication network;receiving a plurality of messages communicated over the network;determining, based on the content model and based on content attributes of the plurality of messages, whether or not at least one of the messages complies with the content model; andif at least one message does not comply with the content model then performing, by the processor, at least one action related to the message.2. The system of claim 1 , wherein determining whether or not at least one of the messages complies with the content model is based on first and second counter values respectively included in the first and second messages;wherein the first and second messages include the same identification (ID) value.31. The system of claim 1 , wherein determining whether or not at least one of the messages complies with the content model includes determining that a mismatch of counters was identified more than a specific number of times during a specific time period.41. The system of claim 1 , wherein the processor is further configured to:determine a context ...

SYSTEM AND METHOD FOR CONTENT BASED ANOMALY DETECTION IN AN IN-VEHICLE COMMUNICATION NETWORK

A system and method for providing security to a network may include maintaining, by a processor, a model of an expected behavior of data communications over the in-vehicle communication network; receiving, by the processor, a message sent over the network; determining, by the processor, based on the model and based on content in the message, whether or not the message complies with the model; and if the message does not comply with the model then performing, by the processor, at least one action related to the message. 1. A system including a non-transitory computer readable medium including instructions that , when executed by at least one processor , cause the at least one processor to perform content-based cyber-security operations , the operations including:maintaining a content model of an expected behavior of data communications over an in-vehicle communication network;receiving a plurality of messages communicated over the network;determining, based on the content model and based on content attributes of the plurality of messages, whether or not at least one of the messages complies with the content model; andif at least one message does not comply with the content model then performing, by the processor, at least one action related to the message.2. The system of claim 1 , wherein determining whether or not at least one of the messages complies with the content model includes determining at least one of first and second messages is related to an anomaly by:examining first and second values of a signal in a respective first and second messages; andif the difference between the first and second values is greater than a threshold then determining at least one of the first and second messages is related to an anomaly.3. The system of claim 1 , wherein the processor is further configured to determine whether or not at least one of the messages complies with the content model by:determining a rate of change of a value of a signal based on examining content in a ...

SYSTEM AND METHOD FOR TIME BASED ANOMALY DETECTION IN AN IN-VEHICLE COMMUNICATION NETWORK

A system and method for providing security to a network may include maintaining, by a processor, a model of an expected behavior of data communications over the in-vehicle communication network; receiving, by the processor, a message sent over the network; determining, by the processor, based on the model and based on a timing attribute of the message, whether or not the message complies with the model; and if the message does not comply with the model then performing, by the processor, at least one action related to the message. 1. A system including a non-transitory computer readable medium including instructions that , when executed by at least one processor , cause the at least one processor to perform timing-based cyber-security operations , the operations including:maintaining a timing model of an expected behavior of data communications over an in-vehicle communication network;receiving a plurality of messages communicated over the network;determining, based on the timing model and based on timing attributes of the plurality of messages, whether or not at least one of the messages complies with the timing model; andif at least one message does not comply with the timing model then performing, by the processor, at least one action related to the message.2. The system of claim 1 , wherein determining whether or not at least one of the messages complies with the timing model includes determining that at least one of first and second messages is related to an anomaly by:receiving first and a second messages sent over the in-vehicle communication network, the first and second messages including the same ID value; andif the time lapse between receptions of the first and second messages is less than a time lapse threshold then determining that at least one of the first and second messages is related to an anomaly.3. The system of claim 1 , wherein determining whether or not at least one of the messages complies with the timing model includes determining that at ...

SYSTEM AND METHOD FOR CONTROLLING ACCESS TO AN IN-VEHICLE COMMUNICATION NETWORK

A system or method may include an in-vehicle network including an interface port for connecting an external device to the in-vehicle network; and a security unit connected to the in-vehicle network, the security unit adapted to enable an external device to communicate with the in-vehicle network, over the interface port, based on a security token received from the external device. A system or method may, based on a token, prevent an external device from at least one of: communicating with a selected set of components on in an in-vehicle network, communicating with a selected set of network segments in the in-vehicle network and performing a selected set of operations.

System and method for providing cyber security to an in-vehicle network

A system and method securing an in-vehicle network in a vehicle may include a switch connected to at least two segments of the in-vehicle network and an IDPS connected to the switch. The IDPS unit may be adapted to: receive network messages from the switch; determine at least some of the network messages are related to a cyber threat and configure the switch according to the cyber threat. The IDPS unit may be included in the switch.

Automotive cybersecurity

A module for providing security to an in-vehicle communication network having a bus and at least one node connected to the bus, the module including: a memory having software including a model of an expected behavior of data communications over the portion of the in-vehicle communication network; and a processor that processes, responsive to the software in the memory, a plurality of messages registered from a portion of the in-vehicle network to: determine, based on the model and a context comprising attributes of the plurality of messages, whether or not at least one of the messages complies with the model; and if the at least one message does not comply with the model, then perform at least one action on the message.

System and method for detecting exploitation of a component connected to an in-vehicle network

A system and method for detecting cyber threats in a vehicle may detecting an event related to exploitation of a component connected to an in-vehicle network based on a deviation of execution of executable code from a reference execution behavior. A deviation may be detected based on a set of whitelists and blacklists. An event related to a deviation may be recorded.

Net sleuth

A method of identifying a node of a plurality of nodes in an in-vehicle communications network that transmitted a waveform propagating in the network, comprising providing a library of fingerprints having a unique library fingerprint for waveforms transmitted by each node and comparing a fingerprint generated for the propagating voltage waveform with library fingerprints to determine which node transmitted the waveform.

System and method for controlling access to an in-vehicle communication network

A system or method may include an in-vehicle network including an interface port for connecting an external device to the in-vehicle network; and a security unit connected to the in-vehicle network, the security unit adapted to enable an external device to communicate with the in-vehicle network, over the interface port, based on a security token received from the external device. A system or method may, based on a token, prevent an external device from at least one of: communicating with a selected set of components on in an in-vehicle network, communicating with a selected set of network segments in the in-vehicle network and performing a selected set of operations.

System and method for providing cyber security to an in-vehicle network

In-vehicle network anomaly detection

A method of identifying a node of a plurality of nodes in an in-vehicle communications network that transmitted a waveform propagating in the network, comprising comparing a fingerprint generated for the propagating voltage waveform with a library having library fingerprints that are unique for waveforms transmitted by each node to determine which node transmitted the waveform.

System and method for detection and prevention of attacks on in-vehicle networks

Systems and methods for detection of attacks on a communication authentication layer of an in-vehicle network, including determining, by at least one network node, at least one attack attempt on the communication authentication layer of the in-vehicle network, wherein the determination is carried out by identifying anomalies in at least one of messages, data and metadata directed to the communication authentication layer, and selecting, by the at least one network node, a response corresponding to the determined attack attempt from at least one of modification of parameter values corresponding to a security protocol, a failsafe response, and rejection of messages identified as anomalies.

System and method for providing fleet cyber-security

A system and method for providing fleet cyber-security comprising may include collecting, by a plurality of data collection units installed in a respective plurality of vehicles in the fleet, information related to cyber security and including the information in reports to a server. Data in reports may be aggregated, by the server. A cyber-attack may be identified based on aggregated data.

System and method for detecting exploitation of a component connected to an in-vehicle network

A system and method for detecting cyber threats in a vehicle may detecting an event related to exploitation of a component connected to an in-vehicle network based on a deviation of execution of executable code from a reference execution behavior. A deviation may be detected based on a set of whitelists and blacklists. An event related to a deviation may be recorded.