What is IDS (Intrusion Detection System)?

Intrusion Detection System examines a network or frameworks for malicious activity or policy violations. It is a software application that filters a network or a framework for destructive activity or policy breaching. A few IDS’s are capable of responding to recognized interruption upon discovery. The IDS monitors traffic and reports its outcomes to an administrator, but cannot automatically take action to keep a recognized endeavor from assuming control over the framework.