Bus-off attack prevention circuit

A method comprising:

• monitoring transmission of messages from a protected node to a bus;
• detecting a bit mismatch relating to the transmitted message on the bus;
• identifying the bit mismatch as representing a bus fault or an active attack against the protected node;
• and
• notifying the protected node that a fault has occurred.

At least one computer-readable medium having stored thereon instructions which, when executed, cause a computing device to perform operations comprising:

• monitoring transmission of messages from a protected node to a bus;
• detecting a bit mismatch relating to the transmitted message on the bus;
• identifying the bit mismatch as representing a bus fault or an active attack against the protected node;
• and
• notifying the protected node that a fault has occurred.