NANOG'ers, I've been tasked by our company president to learn about, investigate and recommend an intrusion detection system for our company. We're a smaller outfit, less than 100 employees, entirely Apple-based. Macs, iPhones, some Mac Mini servers, etc., and a fiber connection to the world. We are protected by a FreeBSD firewall setup, and we stay current on updates/patches from Apple and FreeBSD, but that's as far as my expertise goes. Initially, what do people recommend for: 1. Crash course in intrusion detection as a whole 2. Suggestions or recommendations for intrusion detection hardware or software 3. Other things I'm likely overlooking Thank you all in advance for your wisdom. ---- Andy Ringsmuth andy@newslink.com News Link – Manager Technology & Facilities 2201 Winthrop Rd., Lincoln, NE 68502-4158 (402) 475-6397 (402) 304-0083 cellular