Replay Attack

Replay Attack #

One-Line Essence: #

Capturing a valid transmitted data and maliciously repeating it later to trick a system

Real-World Analogy #

Alice capturing Bob’s “Hey Google” message to unlock Bob’s phone in his absence.

Key Points #

  • How it works (2-3 bullets max)
  • Why it matters
  • Common scenarios

Defense Pattern #

[Immediate practical ways to counter]

Code Pattern #

[Minimal example showing either the attack or defense]

Common Pitfalls #

[What people often misunderstand]

See Also #

  • Related attacks
  • Prerequisites
  • Follow-up concepts

References #