Definitions for "Replay attack"
A security attack consisting of a retransmission of an intercepted message for the purpose of claiming to be the original sender. Thwarted by use of timestamps, as described in Integration with Time Services .
An attack in which the attacker substitutes an older message for a current message. Can be prevented by time-stamping or numbering all messages. _____________________________________________________________________________
a scenario wherein an unauthorized user retransmits packets that had been intercepted
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