An intrusion detection system is a security technology designed to detect and respond to unauthorized access attempts or malicious activities within a computer network or system.
The primary goal of an IDS is to detect and alert administrators about potential security incidents. It provides an additional layer of defense to complement other security measures, like firewalls and antivirus software. By analyzing network packets, log files, or system events, an IDS can identify various types of malicious activities, including network attacks, unauthorized access attempts, malware infections, and policy violations.
See also: network intrusion protection system
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