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What is the difference between statistical detection and rule-based detection models?

Question 319 - 200-201 discussion

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What is a comparison between rule-based and statistical detection?

A.

Statistical is based on measured data while rule-based uses the evaluated probability approach.

Answers
A.

Statistical is based on measured data while rule-based uses the evaluated probability approach.

B.

Rule-based Is based on assumptions and statistical uses data Known beforehand.

Answers
B.

Rule-based Is based on assumptions and statistical uses data Known beforehand.

C.

Rule-based uses data known beforehand and statistical is based on assumptions.

Answers
C.

Rule-based uses data known beforehand and statistical is based on assumptions.

D.

Statistical uses the probability approach while rule-based Is based on measured data.

Answers
D.

Statistical uses the probability approach while rule-based Is based on measured data.

Suggested answer: C

Explanation:

Rule-based detection methods rely on predefined rules and patterns that are known beforehand. These rules are created based on prior knowledge of what constitutes normal and abnormal behavior.

Statistical detection, on the other hand, involves analyzing data to identify anomalies. It is based on assumptions about what normal behavior looks like and uses statistical methods to detect deviations from this norm.

Rule-based systems are typically straightforward but may miss novel attacks that do not match existing rules.

Statistical methods can detect previously unknown threats by recognizing patterns that deviate from established baselines but may produce more false positives.

Intrusion Detection Systems (IDS) Concepts

Comparative Studies on Rule-based and Statistical Anomaly Detection

Understanding Anomaly Detection in Network Security

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asked 07/10/2024
Nelson Mira
44 questions
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