Use services like Have I Been Pwned to see if your email address has appeared in known data breaches or "stealer log" dumps.
Breach Overview * Affected Accounts: 284.1 million. * February 2025. * 25 Feb 2025. Have I Been Pwned Who's Been Pwned 107K MIX.txt
This provides a critical second layer of security even if an attacker has your password. Use services like Have I Been Pwned to