SMSOTP
SMSOTP, or Short Message Service One-Time Password, is a method of authenticating a user by delivering a single-use code via SMS. It is commonly employed as a form of two-factor authentication (2FA) or for account recovery and verification flows. The approach relies on the user’s mobile phone number as a second factor beyond a password.
In typical use, a user initiates a login or verification process. The system generates a random numeric
Security considerations for SMSOTP include its susceptibility to certain attacks, such as SIM swapping, SMS interception,
Advantages of SMSOTP include broad compatibility, since it does not require internet access or specialized apps,