An organization finds unauthorized software has been installed on a number of workstations. The software was found to contain a Trojan, which had been uploading data to an unknown external party. Which of the following would have BEST prevented the installation of the unauthorized software?

A. Banning executable file downloads at the Internet firewall

B. Implementing an intrusion detection system (IDS)

C. Implementing application blacklisting

D. Removing local administrator rights








 

Suggested Answer: D



This question is in CISM exam 
For getting Certified Information Security Manager Certificate


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