Major IDS failure?

Major IDS failure?

• A. A misalignment of monitoring sensors
• B. A facility or individual resource IDS component failure that would allow an intruder to gain access to a resource without crossing a line of detection
• C. A temporary power outage
• D. A software update

Answer: (B)

The key idea is that a major IDS failure is when a component of the intrusion detection system stops working in a way that allows an intruder to reach a protected resource without crossing a defined line of detection. The scenario described—a facility or individual resource IDS component failure that would let an intruder access a resource without triggering detection—directly represents a bypass of the monitoring boundary, which is precisely what makes it a major failure. Other issues might impair detection or cause outages, but they don’t inherently create an undetected path to a resource.

The key idea is that a major IDS failure is when a component of the intrusion detection system stops working in a way that allows an intruder to reach a protected resource without crossing a defined line of detection. The scenario described—a facility or individual resource IDS component failure that would let an intruder access a resource without triggering detection—directly represents a bypass of the monitoring boundary, which is precisely what makes it a major failure. Other issues might impair detection or cause outages, but they don’t inherently create an undetected path to a resource.