What role does multi-factor authentication play in securing third-party access?

Multi-factor authentication (MFA) plays a crucial role in securing third-party vendor access by adding an extra layer of security beyond just a password. This additional authentication step typically requires users to provide at least two pieces of evidence to verify their identity. In the context of third-party vendor access, MFA helps ensure that only authorized individuals can gain entry to critical systems and data, even if the primary credentials are compromised or stolen. By requiring multiple factors for authentication, such as something the user knows (like a password), something they have (like a token or mobile device), or something they are (like a fingerprint), MFA significantly reduces the risk of unauthorized access and enhances overall security posture.