A HIPS (Host Intrusion Prevention System) will stop and report attacks on a host system. A HIDS (Host Intrusion Detection System) can detect and log an attack, but not actively prevent or stop it.
An intrusion detection system (IDS) is a device or software application that monitors a network or systems for malicious activity or policy violations. Any detected activity or violation is typically reported either to an administrator or collected centrally using a security information and event management (SIEM) system. A SIEM system combines outputs from multiple sources, and uses alarm filtering techniques to distinguish malicious activity from false alarms.
There is a wide spectrum of IDS, varying from …