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Get started with Mozilla Monitor
Mozilla Monitor is a data breach notification service offered by Mozilla that warns you if your online accounts have been involved in a data leak.
Data broker scan
Monitor Plus allows you to run a data broker scan to search if your information has been exposed. All premium users have an automated monthly scan.
Firefox Password Manager - Alerts for breached websites
Firefox's password management will show you alerts about logins potentially exposed in data breaches and passwords that may be vulnerable.
Mozilla Monitor - Frequently asked questions
Frequently-asked questions for Mozilla Monitor.