Glossary: Hardening, Firewalls and Intrusion Detection
IDS (intrusion detection system)
Also written: IDS, intrusion detection
A tool that watches activity, recognizes attacks and raises an alert but does not stop them. It is a detective control, like a burglar alarm.
Where the book teaches it
Related terms
IPS (intrusion prevention system)NIDS (network-based intrusion detection system)HIDS (host-based intrusion detection system)Suricata