Credential stuffing is a type of cyberattack in which digital criminals They use previously leaked username and password combinations to try to access other accounts of the same user on different platforms.

This method relies on a common habit: reusing the same password across multiple services. If a password is leaked in a data breach, attackers automatically try it on social media, email, banks, and other sites. If it matches, they gain access without needing to compromise the system.

Why is it so effective?

It relies on the repeated use of passwords by users.

Use bots that try thousands of combinations per minute.

The access gained is legitimate, making it difficult to detect.

It does not generate alerts for failed attempts, like other attacks.

Recent cases that prove it

PayPa

See Full Page