Cognitive Scaffold

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MENTAL MODEL · M6198

Replay Attack

Replay Attack
TechnicalHigh supportCybersecurity
Included
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

An attacker intercepts a valid communication (such as an encrypted transfer instruction) and, although unable to decrypt it, resends the data verbatim to the receiver. The receiver mistakenly treats it as a new request and executes it again, causing loss to the victim.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Repeated deception. Some strategies or phrases (such as 'next time for sure') are old, but if not guarded against with 'timestamps' or 'nonces', they can be repeatedly used to deceive you.

anchor

Anchor fast decisions

A replay attack involves intercepting and resending legitimate communications (such as authentication tokens) verbatim to impersonate a legitimate party or repeat an operation, because the system does not verify freshness.

MINIMUM ACTION

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Source support: Explicit

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    zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E9%87%8D%E6%94%BE%E6%94%BB%E5%87%BBZH · Explicit
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