ConceptSMS OTP
SMS verification code
An authentication method that sends a one-time verification code via SMS as a second factor. Because it is transmitted in plaintext and is susceptible to SIM swap attacks, it is regarded as a weak second factor.
An authentication method that sends a one-time verification code via SMS as a second factor. Because it is transmitted in plaintext and is susceptible to SIM swap attacks, it is regarded as a weak second factor.