Considering the current threat landscape, it's a bad idea for any enterprise not to use an intrusion detection system.
In part one of this screencast, learn how to install the free, host-based intrusion detection system OSSEC, with step-by-step instructions on setting up an OSSEC server on Linux with an OSSEC Windows agent.
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About the presenter:
Peter Giannoulis, GSEC, GCIH, GCIA, GCFA, GCFW, GREM, CISSP, is an information security consultant in Toronto, Ontario. He currently maintains The Academy Pro, which provides streaming video for enterprises and consumers on how to configure and troubleshoot many of today's top security products. He also serves as a technical director for GIAC.