Google releases Chrome extension that alerts users of breached passwords

Doris Richards
February 9, 2019

It's an extension Google calls "Password Checkup" that will trigger a warning if the username and password you're using to login to a website is known to be unsafe thanks to one of the many breaches accounts and passwords have had. Other services may notify you when it's time to update. If not, you'll get a message that one ore more of your passwords are no longer safe due to a data breach, and you'll be prompted to change them.

The search giant noted that using the same password will result in the compromise of multiple accounts once criminals successfully take over one account.

With all the data breaches affecting Facebook, Google+ and other popular websites previous year, no one should assume their passwords and private data are safe.

Google maintains a repository of more than 4 billion exposed account credentials that it updates whenever a new batch of records surfaces on the web. This is important because in many cases users don't even know when their services have been breached. There are similar services available from other providers if you don't use Chrome or don't want to use Google's password manager.

Google says, "A user should use the security check-up because it developed the extension with Stanford University cryptography researchers and it won't share your passwords or usernames with anyone at Google".


With Password Checkup on, your Google account will be safe, as it will proactively detecting and responding to security threats in real time. But again, a majority (33%) of people have never used an online tool such as Google Security Checkup to review their online security settings, with another 13% only referring to them less than every 6 months.

Google's security team has scoured the Internet for lists of compromised passwords and added them to their own database. Google said that it will share a minimum of information with those sites to protect your privacy.

"We're always working to make sure your data is protected, whether you're using Google products or checking out your favourite websites and apps", Kurt Thomas, Security and Anti-Abuse Research Scientist, Google, wrote in a blog-post on Tuesday.

Cross Account Protection enables Google's tools allowing you to easily prevent and recover from security breaches to be employed by third party apps and sites.

Other reports by Iphone Fresh

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