Credential Stuffing Explained: What is it? How to detect? How to prevent it?

The billions of login credentials available on the dark web make it easy for cybercriminals to steal login credentials. It has been widely reported that automated access data — the plug-in attack that has found its way onto the internet — is hitting systems such as credit cards, bank accounts, and credit card numbers.

Credential Stuffing is a technique that involves an automatic injection attack to access online services with stolen credentials. In an attack on the login data, fraudsters use it to access consumer accounts to make fraudulent purchases, carry out phishing attacks and steal information and money.

Source: https://www.cloudflare.com/learning/bots/what-is-credential-stuffing/

This attack method is facilitated by a range of off-the-shelf tools which are easily available, making it unsophisticated and relatively straightforward.

Commonly used tools include Sentry MBA, Account Hitman, Vertex, and Apex. To launch an attack, an attacker simply needs their tool of choice, a configuration file for the website to be attacked, and a list of username/password combinations to test against the site. Log-in attempts are typically…