Google supports 2FA security mechanism for USB

In order to secure user accounts, Google is providing additional support to physical USB through two-factor authentication mechanism. Google has already implemented 2FA verification mechanism for their accounts which ask for user to provide input one-time-use codes received via text message or generated through mobile application. According to Google Security product manager, USB uses security key which starts after verifying the legitimacy of Google website. The Security Key only works with Chrome version 38 and later that uses Universal 2nd Factor (U2F) developed by the FIDO Alliance. <more>