Facebook allows you to protect your account via a USB key

Facebook, the largest social networking platforms in the world, has always sought to protect the secret words of its users, through a series of steps that have been integrated into the algorithms, as well as verification of the record by sending a secret code for your phone number when recording from an unknown device, and use the verification of the application Facebook on your phone, here today and crawl behind the steps in each of Google, the paths of Dropbox and GitHub to add a new feature is the material cut to verify your identity.

Facebook published an article on its website stating the launch of its property verification via USB identity of the user key (of course you do) along with verification by a text message or an application platform on your phone.
This feature comes after researchers proved that gung other features to check are exceeded and penetration.

Property can be activated on the USB keys support the technology (Universal 2nd Factor (U2F)) which can be purchased from a range of companies such as Yubico.
Technology supported by newer versions of some browsers Kgugl Chrome and Opera, and the company says in her essay that moves fast and smooth verification is the pressure to open the account button on the key after linking computer.
New property of Facebook may seem tiring to the user, but in contrast step Very special for stronger protection for account users, as it does not apply to some of the attacks and electronic tricks made famous lately.

for more information check this link : Facebook