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Training Camp • Cybersecurity Glossary
Time-based One-Time Password TOTP, defined in RFC 6238, generates short-lived codes from a shared secret and the current time for MFA.
Time-Based One-Time Password (TOTP) Definition: Time-based One-Time Password TOTP, defined in RFC 6238, generates short-lived codes from a shared secret and the current time for MFA.
Time-based One-Time Password (TOTP) is an algorithm, defined in RFC 6238, that generates short-lived numeric codes by combining a shared secret key with the current time in fixed intervals, typically 30 seconds. It extends the HOTP (HMAC-based One-Time Password) standard from RFC 4226 by using a time counter instead of an event counter. TOTP is widely used in authenticator apps such as Google Authenticator and Authy to provide a second factor of authentication.
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