Credential stuffing is a type of cyberattack where hackers use stolen usernames and passwords from one data breach to gain unauthorized access to other accounts. Since many users reuse the same login credentials across multiple platforms, attackers can automate login attempts on various websites using bots. This technique poses a serious risk to personal, financial, and corporate data. In this guide, learn how credential stuffing works, why it\'s dangerous, and the best practices to protect your accounts from such attacks.