After presenting the final report to a client, they have addressed all the identified vulnerabilities by applying various patches and configuration changes. What is the BEST next step to verify the effectiveness of their remediation efforts?
Wait for an incident to occur, then investigate to verify the effectiveness of the remediation efforts.
Perform a retest to confirm that vulnerabilities have been remediated and to identify any potential new issues.
Review the patch reports provided by the client to ensure that all updates were properly applied.
Schedule a follow-up meeting with the client to discuss hypothetical scenarios that could occur if the vulnerabilities were not effectively remediated.
Performing a retest is the BEST step to verify the effectiveness of the remediation efforts. A retest ensures that the vulnerabilities identified in the initial report have been successfully addressed and that the patches or configuration changes have not introduced any new vulnerabilities. Retests can also confirm that the system's overall security posture has improved as a result of the remediation actions. Simply reviewing the patch reports, while informative, does not provide the level of assurance that a hands-on retest does. Discussing hypotheticals during a follow-up meeting may be helpful but is no substitute for actual testing. Finally, waiting for an incident is not a proactive approach and could result in unnecessary risk to the client.
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What is a retest in the context of vulnerability assessment?
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What are common methods for performing a vulnerability retest?
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What are some potential new vulnerabilities that could be introduced during remediation?