One-Time Password (OTP)
Definition - What does One-Time Password (OTP) mean?
A one-time password (OTP) is type of password that is valid for only one use.
It is a secure way to provide access to an application or perform a transaction only one time. The password becomes invalid after it has been used and cannot be used again.
Techopedia explains One-Time Password (OTP)
It provides more enhanced protection than static passwords, which remain the same for multiple login sessions. OTP works through randomness algorithms that generate a new and random password each time they are used.
The algorithm always uses random characters and symbols to create a password so that a hacker/cracker cannot guess the future password. A OTP uses several techniques to create a password, including:
- Time-Synchronization: The password is valid for only a short period of time.
- Mathematical Algorithm: The password is generated using random numbers processed within an algorithm.
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