Which of the following best describes the action a security specialist should take to identify and mitigate the risk of a file that seems legitimate but is suspected to perform malicious activity when executed?
Update antivirus software and perform a full system scan
Execute the file within a sandbox to monitor its behavior
Review firewall rules to ensure no unauthorized traffic is allowed
Reinstall the operating system to remove all potentially compromised files
Sandboxes are used to execute files or run applications in a controlled environment to observe their behavior without risking the main system or network. If the file is indeed a Trojan, it would exhibit malicious behavior within the isolated environment. Updating antivirus software and reviewing firewall rules may be important steps for general security hygiene but aren't specific enough actions to identify a Trojan. Reinstalling the operating system is not the best initial approach to identifying a suspected Trojan, as it is more of a last-resort action after confirming malicious activity.
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What is a sandbox in cybersecurity?
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Why would a sandbox be preferable to antivirus software for analyzing a suspicious file?
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How does a sandbox identify the behavior of a Trojan?