It is a type of two-factor authentication that frequently functions as a second verifier for users to get access to a network, system, or application and is a solid initial step toward improved security. (OTP), allows users to authenticate their identities by texting a code to themselves. SMS authentication, also known as SMS-based two-factor authentication (2FA) and SMS one-time password, is a type of two-factor authentication.
What Is SMS Authentication and Is It Safe?
