OS

OSSEC Agent

OSSEC is a scalable, multi-platform, open source Host-based Intrusion Detection System (HIDS) that provides log analysis, file integrity monitoring, Windows registry monitoring, rootkit detection, real-time alerting, and active response.
Latest: 3.8.0.35114
Last checked: Mar 1, 2026 7:06am
Followers: 0
Rank: 2973/17421
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Overview

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License: GNU General Public License version 2Winget: Available
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Version & Lifecycle

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Current: 3.8.0.35114 N-2: 3.6.0 Avg cadence: Every 1191 days

Tags

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HIDS Intrusion Detection Security Open Source Log Analysis File Integrity Monitoring Rootkit Detection Compliance

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

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Release Notes & Updates

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Avg cadence: —
Updates • 0

Packaging Notes

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Multiplatform support including Linux, Windows, MacOS, Solaris, FreeBSD, OpenBSD

Notes

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OSSEC is free software under GPLv2 and integrates with third-party tools; Atomic OSSEC is a commercial enhanced version with GUI and extended features.