An open-source Host-based Intrusion Detection System (HIDS). It sits on your servers and endpoints to perform:
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
Evaluates the severity of threats based on asset value and vulnerability data. How They Work Together An open-source Host-based Intrusion Detection System (HIDS)
Detecting unauthorized changes to critical system files. Rootkit Detection: Identifying hidden malicious software. How They Work Together Detecting unauthorized changes to
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
Scrutinizing system and application logs for suspicious patterns.