(ISC)2 Certified in Cybersecurity Practice Exam

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What is referred to as a system irregularity identified during log analysis that may require further investigation?

  1. Log Anomaly

  2. Security Breach

  3. Event Tracker

  4. Network Flaw

The correct answer is: Log Anomaly

A system irregularity identified during log analysis that may require further investigation is known as a log anomaly. Log anomalies are deviations from expected behavior, patterns, or established baselines that can signify potential issues within a system, such as security threats, system malfunctions, or failures in configuration. The identification of a log anomaly is crucial in cybersecurity because it serves as an early warning signal, prompting security teams to investigate further to determine if it indicates malicious activity or other issues that could affect the integrity, confidentiality, or availability of the systems. Other terms in the choices may encompass different aspects of cybersecurity or IT issues. A security breach refers to an actual incident where unauthorized access to systems or data has occurred, thus indicating a response has already become necessary rather than a preliminary indicator like a log anomaly. An event tracker typically refers to a tool used for monitoring events within a system but does not specifically describe the irregularities themselves. A network flaw pertains to weaknesses or vulnerabilities in a network that could be exploited but is not tied to the log analysis context directly. In summary, recognizing log anomalies is a foundational skill in cybersecurity, as it helps organizations proactively manage and mitigate risks before they escalate into more severe problems.