A Security Audit Has Revealed That a Process Control Terminal

question 28

Multiple Choice

A security audit has revealed that a process control terminal is vulnerable to malicious users installing and executing software on the system. The terminal is beyond end-of-life support and cannot be upgraded, so it is placed on a protected network segment. Which of the following would be MOST effective to implement to further mitigate the reported vulnerability?

• A) DNS sinkholing
• B) DLP rules on the terminal
• C) An IP blacklist
• D) Application whitelisting

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