A customer reports that their workstation has become extremely slow and they suspect it might be infected with malware. You have scheduled a maintenance session and are going to use a set of tools to diagnose and address the issue. Besides running an antivirus scan, which one of the following options is a recommended method in ensuring further protection against malware?
Restore the workstation from a known good backup before performing any scans.
Disable the antivirus software temporarily to eliminate potential conflicts.
Ensure the antivirus definitions are up to date before proceeding with a full system scan.
Completely reinstall the operating system to guarantee the removal of any infections.
Ensuring the antivirus definitions are up to date is critical because new malware variants are constantly being created, and up-to-date definitions are required to identify and remove them. Running a scan without updated definitions might not catch the latest threats. Restoring to a known good backup does not prevent future infections and might reintroduce the same malware if the backup is compromised. Disabling the antivirus might be performed during troubleshooting but is not a preventive measure. Completely reinstalling the operating system would eliminate current malware but does not prevent future infections and is an extreme measure that should only be taken if all other options fail.
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Why is it important to keep antivirus definitions up to date?
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What is the difference between a system restore and a full system backup?