Two-factor authentication is done to enhance security by combining two different information in combination to prevent unauthorized login, and in many web services such as Facebook, "ID · password" ...

Setting up two-factor authentication means having that extra layer of security when you log in from a new phone, tablet or computer, or from a new location the website doesn't recognise. Some websites ...

We've probably all received confirmation codes sent via text message when trying to sign into an account. Those codes are supposed to serve as two-factor authentication to confirm our identity and ...