Certified in Risk and Information Systems Control (CRISC) — Question 1356

Warning banners on login screens for laptops provided by an organization to its employees are an example of which type of control?

Answer options

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

Correct answer: C

Explanation

Warning banners serve as a deterrent by discouraging unauthorized access and reminding users of acceptable use policies. Corrective controls aim to fix issues after they occur, while detective controls identify incidents after they happen, and preventive controls aim to stop incidents before they occur. Therefore, the correct answer is C, as the banners are intended to prevent unwanted actions.