What is a key aspect of cybersecurity related to personnel protection?

Implementing multi-factor authentication (MFA) is a key aspect of cybersecurity related to personnel protection because it enhances the security of systems and sensitive information by requiring multiple forms of verification before access is granted. This means that even if a hacker successfully acquires a user's password, they still cannot access the account without the additional authentication factor, such as a text message code or a biometric scan. By adding these layers of security, organizations significantly reduce the risk of unauthorized access and potential data breaches.

The other options, while they may contribute to an organization’s overall security posture or employee satisfaction, do not directly correlate with enhancing cybersecurity in the same way that MFA does. Financial incentives for IT staff might improve retention or motivation, but they do not strengthen technical defenses. Collaborating with external security firms can provide valuable insights and resources but is not a direct method of personnel protection. Similarly, routine social events can foster teamwork and communication, but they do not contribute to the technical security measures necessary for protecting sensitive data.