Replay attack
nounverified·updated May 9, 2026
The interception of communications, such as an authentication communication, and subsequently impersonation of the sender by retransmitting the intercepted communication.
Framework senses
Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary1 senseview framework →
- §1
- The interception of communications, such as an authentication communication, and subsequently impersonation of the sender by retransmitting the intercepted communication.
- §1
- An attack that involves the capture of transmitted authentication or access control information and its subsequent retransmission with the intent of producing an unauthorized effect or gaining unauthorized access.
- §1
- An attack that involves the capture of transmitted authentication or access control information and its subsequent retransmission with the intent of producing an unauthorized effect or gaining unauthorized access.
- §1 · attested_usage_pack_match
- No definition is given in NIST SP 800-171r3. The term is attested in use at 1 citation in that document; a definition is pending curation.Increment 2: attested in 800-171r3 without a glossary definition.
- §1 · legacy_primary
- The interception of communications, such as an authentication communication, and subsequently impersonation of the sender by retransmitting the intercepted communication.DR-088 backfill from the noun definition column