| Definition |
Intrusion Detection System (IDS) is a security tool that monitors activity and generates alerts when it detects signs of malicious or suspicious behavior. The acronym IDS is commonly used in security, IT, audit, and compliance work.
Intrusion Detection System (IDS) is a Network Security concept used to protect traffic, access, devices, applications, or segments from misuse or attack.
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| Context & Usage |
Intrusion Detection System (IDS) is used when designing, documenting, monitoring, or assessing secure connectivity between users, systems, applications, and network segments.
Security and infrastructure teams use this concept to reduce exposure, enforce access boundaries, inspect traffic, and limit the impact of compromise.
Related concepts include Routing.
Additional Resource: NIST Computer Security Resource Center Glossary.
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