Physical Security Professional Certification Practice Exam

In terms of Detective Measures, what is a security subsystem used for?

1. Budget analysis

2. Incident training

3. Intrusion detection

4. Access control review

The correct answer is: Intrusion detection

A security subsystem designed for detective measures plays a crucial role in identifying and responding to potential security threats, particularly through the function of intrusion detection. Intrusion detection systems (IDS) are specifically engineered to monitor and analyze network traffic, alerting personnel to unauthorized access attempts or anomalies that could indicate a breach or an ongoing attack. By effectively identifying intrusions, this subsystem enhances the overall security posture, allowing for timely responses before the threat escalates. This capability makes it an essential component in a comprehensive physical security framework, as it not only detects breaches but also aids in documenting incidents for further analysis and mitigation strategies. Alternative options do not directly align with detective measures. While budget analysis might contribute to resource allocation for security, it does not detect incidents. Incident training is important for preparing personnel to respond to security breaches but does not, in itself, detect them. Access control reviews focus on ensuring the right individuals have the proper permissions to enter certain areas, which is more about prevention than detection. Thus, the primary purpose of the security subsystem in question is clear in its focus on identifying and alerting to intrusions, reinforcing the significance of intrusion detection in the context of detective measures.