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Slideshow: Ten Free Security Monitoring Tools

Freebie apps can save you money, but deployment may not be so free

Compatible with the full range of operating systems, this open source OSSEC HIDS host-based intrusion detection system will do log analysis, integrity checking, Windows registry monitoring, and rootkit detection. It's equipped with time-based alerting and active response to offer maximum proactive action.

OSSEC HIDS display, screen shot first published on http://www.cdalexander.net/

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