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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.
The phone number we contact you with may be different each time. Enable 2-step for phone. 1. Sign in to your Account Security page. 2. Next to "2-Step Verification," click Turn on. 3. Select Phone number for your 2-step verification method. 4. Follow the on-screen prompts to complete the process. Sign in with 2-step for phone. 1.
If you no longer have your Security Key, use these steps: Go to the Sign-In Helper. Sign in and go to the AOL Account Security page. Turn off Security Key 2-Step Verification. When you get your Security Key back or get a new key, you can re-enable 2-Step Verification in your Account Security settings.
This is why it's important to keep these recovery options up to date. Please review your account settings and recovery methods from time to time, and especially prior to changing phone numbers or other email addresses, to help ensure you can always access your account!
MasterCard SecureCode uses OTAC to confirm a user's identity One time authorization code as used in Yammer's desktop client. A one-time password (OTP), also known as a one-time PIN, one-time passcode, one-time authorization code (OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device.
If you no longer want to use 2FA, go to Special:Manage Two-factor authentication and you'll be given the option to disable it. You'll need to enter a 6-digit verification code, just as you would when logging in. Alternatively enter one of your 16-character scratch codes. After this, 2FA will be turned off on your account.
• Add another level of security - Turn on two-step verification and get sent a security code when someone logs in from an unfamiliar device or location. • Update your recovery information - Keep a current email address and mobile number on your account.
Time-based one-time password (TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password algorithm (HOTP), it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238 .