The need for network security professionals who understand how attackers compromise network systems is growing each day.  You will learn the countermeasures to reduce the risks to enterprise networks, how to advise organizations of weaknesses in operating environments, and be introduced to the art of ethical hacking and security testing.  Acquire the knowledge to test and exploit internal and external defenses and protect operating systems.  Covers updated tools and techniques which ethical hackers and security testers use to discover vulnerabilities.  Prerequisite:  basic skills with Internet browsing and MS Windows.  Textbook not included, approximately $80.