What is a False Negative? What is a False Negative? An instance in which an intrusion detection and prevention technology fails to identify malicious activity as being such. Related Resources Solution NETSCOUT Omnis Cybersecurity Solution Omnis Network Security is a holistic cybersecurity platform for comprehensive network visibility, threat detection, investigation, and protection. Learn more Blog ASERT NETSCOUT’s network security experts provide world-class cyber security research and threat analysis for the benefit of today’s enterprise and network operators. Learn more