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Security Dictionary
Can't tell 'smtp' from 'snmp'? Find the precise meaning of these and hundreds of other security-related terms in our convenient and up-to-date Security Dictionary.
replay attack
(I) An attack in which a valid data transmission is maliciously or
fraudulently repeated, either by the originator or by an adversary
who intercepts the data and retransmits it, possibly as part of a
masquerade attack. (See: active wiretapping.)
