

This should be more secure than using a smartphone too, as cyber criminals have infected mobile devices in the past to siphon off security codes. Unless hackers manage to steal the plastic key, accounts with Security Key enabled will almost certainly be secure from compromise.

Previously, Google has only allowed users to receive the second chunk of authentication data as a code sent via text message or the Authenticator app, but the USB can now be used without any input needed on the keyboard. Two-factor authentication is a security protection that asks for a password and an additional piece of information that verifies the identity of the person logging in.
