Question 780
At the Northport university IT office, personal smartphones connect to an employee network using reusable shared credentials. Which ongoing control best prevents this issue from recurring?
Explanation
Correct Answer
The continuing safeguard is to review certificate lifecycle and device revocation. It helps avoid the original condition: shared passwords cannot attribute individual devices or revoke one user's access reliably.
Incorrect Answers
Audit profiling accuracy when new device types appear. That safeguard would help prevent recurrence of: An endpoint's MAC connectivity does not establish its type and intended privilege. The risk being reviewed here is instead: Shared passwords cannot attribute individual devices or revoke one user's access reliably. The matching ongoing control is: Review certificate lifecycle and device revocation.
Review supplicant certificates and ISE authorization outcomes is not the primary recurring safeguard for this problem. The team should review certificate lifecycle and device revocation. For the Northport university IT office, the direct corrective action is to use an approved BYOD enrollment workflow with identity-bound certificates and scoped access.
Review CoA action selection against client and platform support. That safeguard would help prevent recurrence of: A new authorization can be applied without physically shutting the entire port in every case. The risk being reviewed here is instead: Shared passwords cannot attribute individual devices or revoke one user's access reliably. The matching ongoing control is: Review certificate lifecycle and device revocation.