U2F is an emerging open source authentication standard, and as such only a handful of high-profile sites currently support it, including Dropbox, Facebook, Github (and of course Google’s various services). Once a device is enrolled for a specific Web site that supports Security Keys, the user no longer needs to enter their password at that site (unless they try to access the same account from a different device, in which case it will ask the user to insert their key). The key works without the need for any special software drivers. In contrast, a Security Key implements a form of multi-factor authentication known as Universal 2nd Factor (U2F), which allows the user to complete the login process simply by inserting the USB device and pressing a button on the device. Indeed, prior to 2017 Google employees also relied on one-time codes generated by a mobile app - Google Authenticator. The most common forms of 2FA require the user to supplement a password with a one-time code sent to their mobile device via text message or an app. The basic idea behind two-factor authentication is that even if thieves manage to phish or steal your password, they still cannot log in to your account unless they also hack or possess that second factor. It all depends on the sensitivity of the app and the risk of the user at that point in time.”
“Users might be asked to authenticate using their security key for many different apps/reasons. “We have had no reported or confirmed account takeovers since implementing security keys at Google,” the spokesperson said. Security Keys are inexpensive USB-based devices that offer an alternative approach to two-factor authentication (2FA), which requires the user to log in to a Web site using something they know (the password) and something they have (e.g., a mobile device).Ī Google spokesperson said Security Keys now form the basis of all account access at Google.
The basic model featured here retails for $20.
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