An attacker uses login data from a data breach to attempt to access another web...

Credential stuffingis a cyberattack where attackers use stolen username-password combinations from one breach to try logging into other services, exploiting users who reuse passwords. Automated tools test multiple credentials against multiple sites, leading to unauthorized access.

Brute-force attacksystematically tries all possible passwords but does not use breached data.

Session hijackingintercepts active user sessions but does not use stolen credentials.

Social engineeringmanipulates users into revealing credentials, rather than using breached data.