... thinking!2 Intrusion Detection - The Big Picture - SANS GIAC © 20002Network-Based Intrusion Detection • Host Based Intrusion Detection –Unix– Windows NT, 95, 98• Network-Based Intrusion Detection – ... attacks.28 Intrusion Detection - The Big Picture - SANS GIAC © 200028Host and Network Based Intrusion Detection • Host-Based Intrusion Detection –Unix– Windows NT, 95, 98• Network-Based Intrusion ... NetrangerOK, after that in-depth look at host-based intrusion detection, we turn our focus to network-based intrusion detection tools.4 Intrusion Detection - The Big Picture - SANS GIAC © 20004Need...