Isaiec 62443 Cybersecurity Fundamentals Specialist · Free Practice Question Easy
Question 8
What is a common issue with false positives in IDS?
- A They reduce the need for system updates.
- B They can lead to alarm fatigue and ignored alerts.
- C They improve the accuracy of the system.
- D They block necessary traffic automatically.
Reveal correct answer
Correct answer: B
Explanation
False positives in an Intrusion Detection System (IDS) occur when benign activity is mistakenly flagged as malicious, leading to a common issue of alarm fatigue and ignored alerts. Frequent false alarms can desensitize security teams, causing them to overlook genuine threats or reduce their responsiveness. False positives do not block traffic (an IPS function), improve accuracy, or reduce update needs; instead, they challenge effective threat management by overwhelming analysts with unnecessary alerts.Discussion
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