Network Defense Essentials (NDE) 2025 – 400 Free Practice Questions to Pass the Exam

The primary function of detection controls in a security system is to monitor and alert to security breaches. These controls are designed to identify and respond to incidents as they occur, ensuring that any unauthorized access or suspicious activity is detected in real-time or near-real-time. By monitoring network traffic, system logs, and user activities, detection controls play a critical role in the overall security posture of an organization.

While prevention measures aim to stop unauthorized access before it occurs, detection controls focus on recognizing when an intrusion or violation has actually taken place. This capability allows organizations to react quickly to threats, potentially mitigating damage and allowing for a more informed response to the risks they face. Alerts generated by detection controls can prompt immediate investigation and action to ensure that issues are addressed promptly.

In contrast, encryption is aimed at protecting data confidentiality, while regular audits are intended for compliance and assessment of security policies rather than immediate threat detection.