Which of the following is a preventive physical security control?

Rationale

Bollards are a preventive physical security control.

Bollards are designed to prevent unauthorized access and vehicle intrusion by creating physical barriers, thereby enhancing security in vulnerable areas. Their primary purpose is to deter potential threats before they occur, making them an effective preventive measure.

A (Video surveillance system) YOUR ANSWER

While a video surveillance system is crucial for monitoring and recording activities for later review, it functions primarily as a detective control rather than a preventive one. It does not physically deter intruders but rather captures evidence after an incident has occurred.

B (Bollards) CORRECT

Bollards stand as a proactive measure, specifically constructed to obstruct vehicles from entering restricted areas. They are an effective way to prevent vehicular attacks and unauthorized access, thus serving as a key component of physical security strategies aimed at deterring threats before they manifest.

C (Alarm system) YOUR ANSWER

An alarm system serves to detect and alert personnel to unauthorized access or breaches after they have happened. While it plays an essential role in security by enabling a quick response, it does not prevent incidents from occurring; instead, it reacts to them.

D (Motion sensors) YOUR ANSWER

Motion sensors are designed to detect movement and can trigger alarms or alerts when unauthorized activity is detected. Like surveillance systems, they are more focused on detection and response rather than preventing an event from happening in the first place.

Conclusion

Preventive physical security controls, such as bollards, are vital for stopping threats before they can cause harm or damage. In contrast, other options like video surveillance systems, alarm systems, and motion sensors primarily serve to detect or respond to security breaches rather than prevent them. Understanding the role of these controls is essential for creating a comprehensive security strategy.

Which of the following is a preventive physical security control?

Bollards are a preventive physical security control.

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