A security analyst has just finished applying patches to a critical server to address several vulnerabilities discovered during a recent scan. What is the most important next step the analyst should take to validate the remediation efforts?
Document the applied patches in the change management system.
Perform a follow-up vulnerability scan on the server.
Review the server's event logs for new error messages.
Reboot the server to ensure all patches are fully applied.
The correct action is to perform a follow-up vulnerability scan. Rescanning is an essential step to verify that the applied patches have successfully remediated the identified vulnerabilities and to ensure that no new vulnerabilities were introduced in the process. Reviewing event logs, rebooting the server, and documenting the changes are all plausible activities, but they do not directly validate that the security flaw has been eliminated. Documentation is a procedural step, and rebooting is part of the patching process itself, not the validation phase.
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