Security
OTP
Abbreviation for One-Time Password
In short and in plain language
An OTP is a password that works just once.
It is valid for a single login or approval.
You get it, for example, by text message or in an app.
It is used when you log in with several steps. It is also used to confirm payments.
Definition
An OTP is a one-time password that is valid for a single login or approval, for example by text message or app. It is used in multi-factor login and in confirming payments.