Google recently announced " Titan Security Key " at the Cloud Next 2018 event. The two-step authentication, the one-time code is issued to your smartphone, but it is a physical security key that replaces it more safely.
Two methods of Titan Security Key available depending on the difference authentication method. One it is to insert the security key directly into the PC's USB port OR authenticate by Bluetooth connection with a mobile product.
Security keys already have famous manufacturers in this line such as Yubico and Feitian, and Google uses a similar mechanism. It conforms to the certification standard of FIDO U2F. In normal authentication, it is necessary to send a password to the authentication server once, but with the physical key of FIDO U 2 F, authentication is completed within this key.
As a matter of fact, you will not be able to log in to your account unless you have your own Titan Security Key. It is said that high security is realized from such a physical constraint.
According to Google, Titan Security Key will be offered for business users first. Users of Google Cloud can buy and use the Titan Security Key. Soon it is said that it will be widely available for sale at the Google store for individual users.
By advancing the physical security key by Google, it may be normal that carries these keys.
