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Comment Re:Well, so much for security. (Score 1) 47

From the wiki page: CAN is a low-level protocol and does not support any security features intrinsically.
There is also no encryption in standard CAN implementations, which leaves these networks open to man-in-the-middle frame interception.

It is up to the manufacturers to implement something like security. It is just an open serial bus for the transfer of data of any kind.

I would argue it is similar to using Ethernet frames to communicate in a network, but not choosing to use security features that were later added as a protocol definition, such as 802.1(1)x or something that is needed for security on the client like SSL.

Who knows they (the manufacturers) come to their senses and implement an open security standard for CAN.

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