An authenticator app creates one-time codes that you enter during loginThe information used to log in to a service, usually username, email, password, code, or security ke... More as a second factor. It usually works without SMS. That makes it safer than relying on a phone number, which can be abused through SIM swappingAn attack where someone tries to move your phone number to a SIM card they control. More.
Why it matters: It protects the account even when someone knows your passwordIn general, a password is an arbitrary string of characters including letters, digits, or other symb... More.
