<P>As technology has developed, computer hackers have become increasingly sophisticated, mastering the ability to hack into even the most impenetrable systems. The best way to secure a system is to understand the tools hackers use and know how to circumvent them. <STRONG>Defense against the Black Arts: How Hackers Do What They Do and How to Protect against It</STRONG> provides hands-on instruction to a host of techniques used to hack into a variety of systems. </P><P>Exposing hacker methodology with concrete examples, this book shows you how to outwit computer predators at their own game. Among the many things you¿ll learn:</P><P></P><UL><P><LI>How to get into a Windows operating system without having the username or password</LI><LI>Vulnerabilities associated with passwords and how to keep them out of the hands of hackers</LI><LI>How hackers use the techniques of computer forensic examiners to wreak havoc on individuals and companies</LI><LI>Hiding one¿s IP address to avoid detection<