Glossary: Security+ Exam Prep 1: Strategy and Objective Review
One-time password (OTP)
Also written: OTP
A code that is good for only one sign-in, either time-based (TOTP) or counter-based (HOTP).
Where the book teaches it
Related terms
Time-based one-time password (TOTP)HMAC-based one-time password (HOTP)