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Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism.
Type "Wikipedia" and your account name (e.g. "Wikipedia – Example") into the "Name" field. Copy the "Two-factor authentication secret key" from "Step 2" of the setup page and paste it into the "Secret Code" field. Leave the next option set to "Time-based". Click "Verify authenticator" and then click "OK". Optionally set a password for WinAuth.
To set up two-factor authentication: This action is currently limited to administrators, bureaucrats, oversighters, checkusers, edit filter managers, template editors and interface administrators. Other users may request 2FA at Steward requests/Global permissions on Meta.
Two-factor authentication is a special case of multi-factor authentication involving exactly two factors. [3] For example, using a bank card (something the user has) along with a PIN (something the user knows) provides two-factor authentication.
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As of 2003, RSA SecurID commanded over 70% of the two-factor authentication market [10] and 25 million devices have been produced to date. [citation needed] A number of competitors, such as VASCO, make similar security tokens, mostly based on the open OATH HOTP standard.
The following is a general comparison of OTP applications that are used to generate one-time passwords for two-factor authentication (2FA) systems using the time-based one-time password (TOTP) or the HMAC-based one-time password (HOTP) algorithms.
First and foremost, strong authentication begins with multi-factor authentication. The best thing one can do to protect a personal online account is to enable multi-factor authentication. [13] [21] There are two ways to achieve multi-factor authentication: Use a multi-factor authenticator; Use a combination of two or more single-factor ...