OSSEC
Open Source Host-based Intrusion Detection System.
Overview
OSSEC is an open-source, host-based intrusion detection system (HIDS) that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting, and active response. It is widely used for security monitoring of servers and endpoints.
✨ Key Features
- File Integrity Checking
- Log Analysis
- Rootkit Detection
- Active Response
- Windows Registry Monitoring
- Cross-platform support
🎯 Key Differentiators
- Completely free and open-source
- Large and active community
- Highly customizable and flexible
Unique Value: Provides enterprise-grade HIDS and FIM capabilities at no cost, with the flexibility of open-source software.
🎯 Use Cases (4)
✅ Best For
- Monitoring critical system files on Linux servers
- Detecting rootkits and malware
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Organizations requiring a commercial, fully supported solution with a simple GUI
🏆 Alternatives
Offers a powerful, free alternative to commercial FIM and HIDS solutions, though it requires more technical expertise to manage.
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
💰 Pricing
Free tier: Full functionality
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