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replay attack

A replay attack is based on the replay of previously collected data for authentication and access control. The attacker steals the content of a message and later resends it to the specified target.

In a replay attack, the attacker works with identity theft, using the collected data with which he fakes a foreign identity to access resources and datasets with a false identity. The attack on authentication credentials and access data can be done via a man-in-the-middle attack. For example, the attacker can access credentials or the access code for the keyless front door.

Replay attacks can be prevented by using nonces, which are combinations of letters and digits used once.

Englisch: replay attack
Updated at: 14.12.2020
#Words: 111
Links: attack, data, authentication, attacker, content
Translations: DE

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