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.
Table of Contents
See if you've been part of a known breach
To see if your online accounts have been exposed in a known data breach:
- Click on the shield next to the address bar
and select .
- Scroll down to Look out for data breaches and click Sign Up for Breach Alerts.
- When the Firefox Monitor report page opens, click
- Click the
From here, you can browse or search for specific breaches.
Monitor your email for future breaches
- Click on the shield next to the address bar
and select .
- Scroll down to Look out for data breaches and click Sign Up for Breach Alerts. This will open the Firefox Monitor report page.
- Click to sign in to your Firefox Account, if you haven't already.
- Click in the Email Addresses section.
- 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.