If all of the data breaches hitting the news over the past several years have you worried, Mozilla is working on a tool that will help you keep an eye on your accounts. Called Firefox Monitor, the website will allow you to check your email addresses against a database of known breaches to see if any of your personal data has been exposed.
To get the ball rolling, Mozilla has partnered with HaveIBeenPwned.com (HIBP), which operates a database of email addresses that have been found to have been compromised in data breaches. Firefox Monitor will work by checking the email address you enter against the HIBP database in a secure way. According to Mozilla, it has worked with HIBP and Cloudflare to ensure any data shared with Firefox Monitor is anonymized and your full email address is never shared with any companies other than Mozilla.
Mozilla says that Firefox Monitor is designed to be used by everyone, but it will offer "additional features" for Firefox users, though it's unclear what those added features will be at the moment.
The tool isn't yet ready for primetime, but Mozilla is gearing up to begin a test next week with around 250,000 people. Should testing go well, Firefox Monitor will be enabled for all Firefox users at a later date.
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