200-201 Question 91
Select 2A cybersecurity analyst is monitoring network traffic in a Security Operations Center (SOC). They are using two types of detection tools: one that flags traffic based on predefined patterns and signatures, and another that identifies anomalies in network behavior by comparing current activity to historical data. Which of the following correctly identifies the detection methods being used?
- A
The tool using predefined patterns and signatures is an example of rule-based detection.
- B
The tool identifying anomalies through historical comparison is an example of behavioral and statistical detection.
- C
The tool using predefined patterns and signatures is an example of behavioral and statistical detection.
- D
The tool identifying anomalies through historical comparison is an example of rule-based detection.
Show answer and explanation
Correct answers: A, B
Explanation
Rule-based detection and behavioral/statistical detection are distinct methodologies used in cybersecurity. Rule-based detection focuses on identifying known threats using predefined rules or signatures, while behavioral and statistical detection identifies potential threats by analyzing deviations from normal behavior patterns. Understanding these differences is crucial for effectively deploying and interpreting detection tools in a SOC environment.
- A. Correct.
Correct. Rule-based detection relies on predefined rules, patterns, or signatures to identify known threats. Tools using this approach match incoming data against these rules to generate alerts.
- B. Correct.
Correct. Behavioral and statistical detection involves analyzing patterns in historical data and identifying deviations or anomalies that may signify new or unknown threats.
- C. Incorrect.
Incorrect. Behavioral and statistical detection does not rely on predefined patterns or signatures; instead, it focuses on dynamic analysis of activity over time.
- D. Incorrect.
Incorrect. Rule-based detection does not involve anomaly detection or historical comparisons; it uses predefined patterns or rules for detection.