Glossary
Replay Attack
Imagine recording someone unlocking a door with their voice command, then playing that recording to unlock it yourself. A replay attack captures legitimate network traffic and plays it back to trick systems into doing something again - like re-authorizing a payment.
What is Replay Attack?
An attack in which valid data transmission is maliciously repeated or delayed, typically to fraudulently impersonate a legitimate user.
Why Should You Care?
Understanding replay attack is essential for building a strong security posture. This knowledge helps organizations identify threats early and respond appropriately.
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Real-World Example
Security teams regularly encounter replay attack in their day-to-day operations. Recognizing and responding to these scenarios is a core security competency.
How to Protect Against Replay Attack
- 1.
Use timestamps and nonces in authentication
- 2.
Implement one-time passwords or tokens
- 3.
Use TLS/SSL for all communications
Related Terms
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