Firefox Monitor: Mozilla Firefox’s New Safety Feature Will Show You Notifications When You Visit Breached Sites

Mozilla recently launched Firefox Monitor, a service that allows users to find out if their account has been been part of a data breach and has been compromised. Firefox Monitor provides data from the popular service Have I Been Pwned. Mozilla has been working hard day and night to improve the Firefox browser and as a part of security improvements, comes Firefox Monitors’s integration with the Firefox desktop browsers.

Back in November last year, Mozilla announced in a blog post that the Firefox Monitor service was being integrated with the Firefox desktop browser to warn users with a notification when visiting sites that were known to be involved in a data breach. The company said that the update was going to be rolled out to all Firefox users in the coming weeks. According to Techdows, as of February 18, 2019, all the Firefox desktop users have received the Firefox Monitor integration update.

Data breach notification

However, you won’t get the notifications unless you sign up for Firefox Monitor. Because data breaches happen a lot and a good number of big, renowned websites have been involved in breaches, Mozilla says they don’t want to spam the users with an unbearable number of notifications. As per Mozilla Security Blog:

  • If the user has never seen a breach alert before, Firefox shows an alert when they visit any breached site added to HIBP within the last 12 months.
  • After the user has seen their first alert, Firefox only shows an alert when they visit a breached site added to HIBP within the last 2 months.

Google has also recently released Chrome Password Checkup Extension, a competitor to Firefox Monitor, which will show up a similar notification when you visit a breached site and will tell you to reset your password to stay safe for the future.


Sahas Arya

A fellow gamer and a redditor. When not gaming i can be found binge-watching thriller shows on Netflix.
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