Certified Information Systems Auditor (CISA) — Question 286

An algorithm in an email program analyzes traffic to quarantine emails identified as spam. The algorithm in the program is BEST characterized as which type of control?

Answer options

• A. Detective
• B. Directive
• C. Preventive
• D. Corrective

Correct answer: C

Explanation

The correct answer is C, as the algorithm actively works to prevent spam emails from reaching the inbox by quarantining them. Options A and D describe reactive measures rather than proactive ones, while B refers to instructions rather than actions taken by the algorithm.