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['noun']. A one-time password (OTP) is a security feature that generates a unique, temporary code for authentication or authorization purposes. It is typically used as an additional layer of security when logging into online accounts, making online transactions, or accessing sensitive information. Unlike traditional passwords, which remain the same until changed by the user, one-time passwords are valid for a single login session or transaction and become invalid once used or after a short period of time has elapsed. This adds an extra level of protection against unauthorized access and helps to prevent unauthorized use of stolen or compromised passwords. One-time passwords can be generated through various methods, including hardware tokens, mobile apps, SMS messages, or email. GPT3.5
Word Forms:
- noun.
one-time password (singular),
one-time passwords (plural)
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