A security technician configured a NIDS to monitor network traffic.

A false positive is a condition in which harmless traffic is classified as a potential network attack by a NIDS. A NIDS is a network intrusion detection system that monitors network traffic for any signs of malicious or anomalous activity. A false positive can result in unnecessary alerts or actions by the NIDS, such as blocking legitimate traffic or generating false alarms. False positives can be caused by various factors, such as misconfigured rules, outdated signatures, noisy network traffic or benign anomalies3 .