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NETWORK DEVICE AND NETWORK SYSTEM

  • US 20200137108A1
  • Filed: 12/27/2019
  • Published: 04/30/2020
  • Est. Priority Date: 12/12/2013
  • Status: Active Grant
First Claim
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1. An electronic control unit (ECU), comprising:

  • a computer configured to judge whether a message from at least one ECU of a plurality of ECUs is a valid message or not, and to detect a malicious message; and

    a controller configured to, if the malicious message is detected, overwrite the malicious message with an ERROR FRAME code during receipt of a data frame,wherein the ECU is connected to the at least one ECU via a controller area network (CAN) bus,wherein the computer is configured to detect the malicious message by using an ID, a payload a cycle, and a frequency.

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