Which of the following demonstrates a good practice for managing security group memberships?

Regular assessments of role appropriateness is a key practice in managing security group memberships effectively. This approach ensures that the access rights and permissions assigned to each member of a security group align with their current job responsibilities and the needs of the organization. As roles within a company may change due to promotions, departmental shifts, or new hires, it's crucial to frequently review and adjust security group memberships to prevent unauthorized access and ensure that only individuals who need access to specific data and resources have it.

This practice not only helps in maintaining compliance with security policies and regulations but also minimizes risks associated with insider threats or data breaches. By conducting these assessments on a regular basis, organizations can ensure that their security posture remains strong and resilient to changes within the company.

In contrast to this best practice, maintaining a static list of members could lead to outdated access rights, as it does not account for changes in employee roles or organizational structure. Similarly, limiting access to administrative users only might create bottlenecks in operational workflows, and frequent communication with members, while important, does not directly address the necessary adjustments to role appropriateness within security groups.