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.

A one-time password or passcode (OTP) is a string of characters or numbers that authenticates a user for a single login attempt or transaction. An algorithm generates a unique value for each one-time password by factoring in contextual information, like time-based data or …

One of the ways technology companies have counteracted password theft and other types of cyberattacks is through the use of one-time passwords (OTPs). OTP is a form of multi-factor authentication (MFA) designed to make it much harder for …

Enter One-Time Passwords (OTPs) —a cornerstone of modern cybersecurity. Whether you’re logging into your email, confirming a bank transfer, or securing a corporate network, OTPs provide a critical layer of defense. But what exactly does OTP mean, how …

Yubico OTP is a simple yet strong authentication mechanism that is supported by the YubiKey 5 Series and YubiKey FIPS Series out-of-the-box. Yubico OTP can be used as the second factor in a 2-factor authentication scheme or on its own providing strong single factor authentication.

Dec 26, 2024 · A One Time Password (OTP) is a strong authentication method to prove the identity of the caller per transaction. It usually consists of a string of characters and/or numbers. Unlike user/password combinations, which can be used repeatedly, an OTP is valid only once.

Feb 10, 2023 · A one-time password is an auto-generated authorization code that authenticates a user when they log in to an account, network, or system. Unlike traditional passwords, one …

Jul 19, 2024 · A One-Time Password (OTP) is a security feature that generates a unique, temporary password for a single transaction or login session. Unlike static passwords, OTPs enhance security by preventing unauthorized access, as they are only valid for a short duration and cannot be reused.

Dec 10, 2024 · An OTP—also known as a one-time PIN or one-time authorization code (OTAC)—is a unique, dynamically generated code that can only be used once to verify the user’s identity when attempting to log into their account.

Mar 24, 2025 · OTP authentication (One-Time Password authentication) is a security mechanism that generates a unique, temporary code for every login or transaction. Unlike static passwords, an OTP is valid only once and for a short duration, adding an extra layer of protection against unauthorized access.