A systems administrator needs to implement a security control that will prevent unknown malware from infecting a system in case the antivirus solution fails. Which of the following should the administrator implement?
i'm thinking A
Application whitelisting is the practice of specifying an index of approved software applications or executable files that are permitted to be present and active on a computer system.
The goal of whitelisting is to protect computers and networks from potentially harmful applications.
Software Whitelist (Option A): A software whitelist, also known as application whitelisting, is a security approach where only authorized and known applications are allowed to run on a system. This prevents the execution of any unauthorized or unknown applications, including malware. Even if the antivirus solution fails to detect a new malware variant, it won't execute on the system because it's not on the whitelist.
The other options are also valuable security controls, but they may not directly address the prevention of unknown malware:
A. A software whitelist is a security control that allows only known and trusted software to run on a system, while blocking all others. By implementing a whitelist, the system will only execute approved applications, preventing unknown malware from executing even if the antivirus solution fails. This will provide an additional layer of security and protect the system from unauthorized code. Therefore, A is the correct answer.
A hardening process establishes a baseline of system functionality and security. The goal of hardening a system is to remove any unnecessary functionality and to configure what is left in a secure manner.
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