(ISC)2 Certified in Cybersecurity Practice Exam

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What does a security information and event management (SIEM) correlation engine do?

  1. An engine that identifies potential insider threats

  2. An engine that monitors compliance with regulations

  3. An engine that analyzes security events and alerts for threats

  4. An engine that automates patch management

The correct answer is: An engine that analyzes security events and alerts for threats

The correct choice refers to the function of a Security Information and Event Management (SIEM) correlation engine, which is to analyze security events and alerts for threats. A SIEM correlation engine gathers logs and security events from various sources within an organization’s IT environment. It then applies correlation rules to these data points to identify patterns, anomalies, or potential security incidents. This process allows for the detection of threats that may not be immediately evident when examining individual events in isolation. By correlating data across diverse systems, the engine enhances the ability to respond to security threats in a timely and effective manner. In contrast, the other options focus on different aspects of security management. Identifying potential insider threats involves behavioral analysis and might not necessarily involve correlation of events from multiple sources. Monitoring compliance with regulations, while an important function of a SIEM, is more about ensuring that operations align with laws and standards rather than focusing on real-time threat detection. Automating patch management pertains to ensuring that software is up-to-date and vulnerabilities are addressed, which falls outside the typical scope of a SIEM’s core function.