Next-Generation Intrusion Prevention System (NGIPS) - Cisco Firepower NGIPS (Next-Generation IPS) provides contextual awareness, security intelligence, and advanced threat protection against attacks and malware.

Lynis - Security auditing tool for systems running Linux, macOS, BSD, and other UNIX-based systems.

snort - Snort is a free and open source network intrusion prevention system.

Silverback - Silverback 3

Suricata - Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine.

Chkrootkit - Chkrootkit is a Linux tool to locally check for signs of a rootkit. It contains: