Firefox Monitor warns you if your online accounts were involved in a known data breach. See if your information was exposed in a data breach, learn how to take action to better protect your online accounts, and get alerted if your information appears in a new breach. You can enroll multiple email addresses for breach alerts from a single Firefox Account.

• See also Firefox Password Manager - Alerts for breached websites about alerts in Firefox for saved logins and passwords exposed in known data breaches.

See if you've been part of a known breach

To see if your online accounts have been exposed in a known data breach:

1. Click on the shield next to the address bar and select Protections Dashboard.
2. Scroll down to Look out for data breaches and click Sign Up for Breach Alerts.

   

3. When the Firefox Monitor report page opens, click Sign in to sign in to your Firefox Account.

   

4. Click the Breaches tab on the new page.

   

From here, you can browse or search for specific breaches.

Monitor your email for future breaches

1. Click on the shield next to the address bar and select Protections Dashboard.
2. Scroll down to Look out for data breaches and click Sign Up for Breach Alerts. This will open the Firefox Monitor report page.
3. Click Sign in to sign in to your Firefox Account, if you haven't already.
4. Click Manage email addresses in the Email Addresses section.
5. Add a checkmark next to your desired setting.
   • Send breach alerts to affected email address to send emails to the affected address.
   • Send breach alerts to [email address] to send all alerts to a designated address, even if it's not linked to your Firefox Account.

Frequently asked questions

Have questions? Firefox Monitor - Frequently asked questions covers many popular questions. If your question isn’t covered, go to Get community support to ask the community for help.