Which of the following is NOT a component of multifactor authentication?

Multifactor authentication (MFA) is a security mechanism that requires users to present multiple forms of verification before accessing a system or service. The main components of MFA are categorized into several types:

1. Something you know: This involves knowledge-based verification methods, such as passwords or PINs. It is the most common form of authentication.

2. Something you have: This refers to possession-based factors, such as security tokens, smart cards, or mobile devices that generate one-time codes. It provides an additional layer of security beyond just a password.

3. Something you are: This component involves biometric verification methods, such as fingerprint scans, facial recognition, or iris scans. It relies on unique physical attributes of the user.

The choice identified as "something you see" does not fit within these recognized categories. This term does not represent any valid authentication factor in the context of multifactor authentication. Instead, it might be confused with visual verification methods that are not traditionally classified in the standard MFA components.

Understanding these components helps to reinforce the principle of layering security measures to protect sensitive information and systems.