Computer Science for IGCSE & O level - The Internet And Its Uses (Section 4 - No. 2)
Which stage comes first when a user is authenticating with two-factor authentication?
User enters website username and password.
User enters one-time authentication code into the original device.
User takes note of the one-time authentication code.
One-time authentication code sent to user's email address.
توضیح
In the first step, the user will enter the website username and password.