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Enlarge / Some individuals want Password Checkup greater than others.

Again in February, Google launched a Chrome extension referred to as Password Checkup—a plug-in that tapped into Google’s assortment of account breach information and warned customers of uncovered passwords. Now, Google has immediately built-in Password Checkup into its password supervisor, permitting customers to verify passwords from inside their Google account settings—from any browser.

Password Checkup is now accessible from passwords.google.com, both from inside a Internet browser or the Google cellular utility (inside account settings). After verifying the consumer’s id with an account login immediate, Password Checkup examines any Internet passwords saved inside Chrome which can be synchronized utilizing a Google account—checking in opposition to breach information and in search of re-used and weak passwords. Customers can go straight to the websites with dangerous passwords utilizing the “Change Password” button supplied subsequent to every compromised or weak password.

Wait, so Google has all my passwords?

The Password Checkup plug-in leverages a Google safety Internet utility interface, which solely sends hashes of passwords to be checked securely in opposition to a distant database made up of information culled from password dumps on underground marketplaces. Again in February, Google employees analysis scientist Kurt Thomas defined that the plug-in’s API makes use of a mixture of anonymization and cryptography to guard the change, utilizing a method referred to as “blinding” to create a secret search index. Credentials are anonymized with an Argon2 hash operate to create a search key for Google’s database and encrypted with Elliptic Curve cryptography. “In your finish, you get an index that solely ,” mentioned Thomas—an index primarily based on partial information that may’t be used to recreate the passwords themselves.

With the brand new Password Checkup inside Google’s on-line password supervisor, the method is comparable—your passwords get unlocked along with your Google account credentials, and the identical cryptographic change is finished with the breached password backend. On the similar time, the password supervisor can consider which passwords and logins are re-used or weak and supply extra suggestions on password modifications. Google nonetheless would not have direct entry to your passwords.

After all, this solely works for those who’re utilizing a Google account to again up your Chrome settings and for those who’re utilizing Chrome’s password supervisor—and you have not put a separate password in place to safe your passwords. However in case you are, you’ll be able to carry out Password Checkup from any browser you’ve got used to register to your Google account—in addition to retrieve passwords saved with the password supervisor. That is, after all, another excuse to allow two-factor authentication to your Google account.

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