Re: What to do when receiving unprompted MFA OTP codes

The bleeping computer article misses the distinction between TFA (two-factor
authentication) and TSA (two-step authentication), TFA being far more secure
than TSA.

With TFA, one must possess a physical crypto token (like an RSA SecureID
token) plus a password, the factors being something one possesses (token)
and something one knows (password).  The computer is not providing
authentication.

With the TSA, no physical token is used, it's something one knows (a
password) provided to a computer, and it is done in …

article authentication bleeping computer computer crypto factor far mfa otp password physical rsa tfa token tsa