Home Security Chrome extension will check for compromised passwords
Chrome extension will check for compromised passwords Pixabay

Google has released an extension known as Password Checkup for its Chrome browser that will check passwords against a database to see if they have been leaked in third-party data breaches.

In a blog post, the company said if it could detect a username and password used on a site viewed while using Chrome was among four billion credentials known to be compromised, then the extension would warn the user and suggest a change of password.

Google claims it built Password Checkup so that nobody could learn a user's Google account details. The extension can be installed and will be updated to refine its protections, but does not seem to be available yet (as of 8.35am AEDT on Wednesday.)

Additionally, Google said it has created tools to protect apps which a user signs into using Google Sign In.

Called Cross Account Protection, it has to implemented by apps and sites in order that information about security events can be transmitted to them.

Information shared is limited to:

  • the fact that the security event happened;
  • basic information about the event, like whether the account was hijacked, or if the user was forced to log back in because of suspicious activity; and
  • information shared with apps where the user has logged in with Google.
  • The user will be notified which of the apps present on his/her device is protected by Cross Account Protection.


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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the sitecame into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.


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