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VII CONSORTIUM
Why We Need Security
The receiver of a message is not able to determine,
without additional mechanisms,
whether
Øa
message originates from a trustworthy and legitimate device, and whether
Øthe
message was modified between sender and receiver
Devices found to be transmitting “bad” messages need to
be removed from the
system until repaired or replaced:
Ødefective
devices
Øhacked
devices