This course explores the protections available to the practitioner through host operating systems and third party equipment and software, to protect the inner network from the attacker who has successfully circumvented the perimeter or from the disgruntled insider. Use of methodologies including host-based intrusion detection methods, audit settings and review PC Firewalls, host operating hardening for Linux and Windows operating systems, and Virtual LANs will be reviewed. It is recommended that students complete IAE-685 before taking this course, but this is not a requirement. (3) NOTE: Students enrolled in this course incur an additional lab fee of $100.