Ossec & Ossim Unified Open Source Security May 2026

Open Source Security Information Management by AlienVault (now AT&T Cybersecurity). It acts as a SIEM (Security Information and Event Management) platform that:

Detecting unauthorized changes to critical system files. Rootkit Detection: Identifying hidden malicious software. OSSEC & OSSIM Unified Open Source Security

Collects events from OSSEC agents and other network tools (like Snort or OpenVAS). OSSEC & OSSIM Unified Open Source Security

In a unified setup, OSSEC acts as the "eyes and ears" on individual machines, feeding its detailed findings into OSSIM for broader analysis. OSSEC & OSSIM Unified Open Source Security

Connects seemingly unrelated events from different sources to identify complex attack patterns.