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Google launches breach alert Chrome extension and offers top 5 security tips

Google today, for Safer Internet Day, released Password Checkup, a Chrome extension that will alert users if their password for any site they use has been compromised and will prompt them to change their password.

The extension works by running a query of a user’s website credentials against Google’s database of credentials it has collected from past credential leaks. 

The service is underpinned by Google’s database of four billion credentials from past third-party data breaches that were subsequently dumped online. 

It currently uses this database to check whether Google users have reused the same credentials for a Google account as those exposed in a third-party breach. In instances where it finds a match, it forces a password reset.  

The Password Checkup extension is intended to broaden protections to Chrome users on sites beyond Google.