The new tool scours data breaches to determine whether your email address, password, or other information has been leaked.
Monitor is available to all users for free as a partnership between Mozilla and HaveIBeenPwned.
Security researcher Troy Hunt runs HaveIBeenPwned, which functions as a searchable database of data breaches.
In addition to allowing users to check if their information has been compromised, Monitor's home page also offers visitors a number of tips for securing their data.
This advice includes using a password manager, using different, strong passwords for different accounts, and enabling two-factor authentication.
