: Use a reputable service like Have I Been Pwned to see if your email has appeared in recent known breaches.

: Immediately update the password for the affected email account and any other accounts that use the same password.

: Switch to a password manager to generate and store unique, complex passwords for every service you use. AI responses may include mistakes. Learn more

: These lists are used for credential stuffing attacks, where automated tools try the passwords on multiple websites (like banking, social media, or shopping sites) to see where they work.