Warning banners on login screens for laptops provided by an organization to its employees are an example of which type of control?
Correct Answer: D
Warning banners on login screens serve as deterrent controls. Deterrent controls are designed to discourage individuals from attempting unauthorized actions by warning them of potential consequences.
* Purpose of Warning Banners
* Warning banners provide clear notice to users, both authorized and unauthorized, that their activities may be monitored and that unauthorized access is prohibited.
* They serve as a legal disclaimer, which can be crucial in prosecuting unauthorized access attempts.
* Effectiveness as a Deterrent Control
* The primary function of a warning banner is to deter potential intruders by making them aware of the surveillance and legal implications of unauthorized access.
* For authorized users, it reinforces awareness of the organization's security policies and acceptable use agreements.
* Comparison with Other Control Types
* A. Corrective: These controls are used to correct or restore systems after an incident.
* B. Preventive: These controls are designed to prevent security incidents from occurring.
* C. Detective: These controls are used to detect and alert about security incidents.
* D. Deterrent: These controls are intended to discourage individuals from performing unauthorized activities.
References
* Sybex-CISSP-Official-Study-Guide-9-Edition.pdf, p. 829, detailing the role of warning banners as deterrent controls.