After successfully containing a malware outbreak within an organization's network, according to incident response best practices what is the best next step to ensure the malware is completely eradicated and cannot re-infect the environment?
Re-image the affected systems from a clean backup.
Apply the latest software patches to all affected systems.
Update the malware detection signatures and run a full system scan.
The best next step involves re-imaging the affected systems. Re-imaging ensures that all traces of the malware are removed by restoring the system to a known good state. Simply updating detection signatures or applying software patches might not fully remove the malware or address its root cause.
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Why is re-imaging the affected systems considered the best next step after containing malware?
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What is the difference between re-imaging a system and running a full malware scan?
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What steps should be taken after re-imaging a system to prevent future infections?