How secure is your network? How resilient are your systems to hackers? And how can you be sure? This book delivers the information and tools you need to take charge of your critical IT assets through advanced networking testing strategies, including vulnerability scanning and penetration testing. Written by members of the Microsoft Security Team, this practical guide shows you how to perform security assessments, uncover security vulnerabilities, and apply appropriate countermeasures to help beat the hackers at their own game. The companion CD features time-saving tools and scripts that you can use to discover and help correct security vulnerabilities in your own network.