Ossec & Ossim Unified Open Source Security -

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

Combining and OSSIM creates a powerful, unified open-source security architecture that bridges the gap between deep host-level monitoring and centralized security management. Together, they provide a cost-effective alternative to expensive commercial security suites for organizations needing robust intrusion detection and compliance. Core Components & Synergy OSSEC & OSSIM Unified Open Source Security

The "unified" approach relies on the specific strengths of each tool working in tandem: Core Components & Synergy The "unified" approach relies

Connects seemingly unrelated events from different sources to identify complex attack patterns. OSSEC & OSSIM Unified Open Source Security

Automatically blocking threats (e.g., firewalling a malicious IP) in real time.

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