Best way to secure your network? Break in! And that's exactly what InfoWorld security watch columnists Stuart McClure and Joel Scambray plus Extreme Hacking instructor George Kurtz show you how to do in Hacking Exposed: Network Security Secrets & Solutions. Arming you with a hacker's arsenal, they help you pinpoint vulnerable areas and apply effective security countermeasures in UNIX (including Linux), Windows NT/95/98, and Novell networks. You'll discover the "InfoWorld Security Sweet 16" the top 16 hacks the authors themselves use to test systems and the top 15 security flaws that commonly afflict networks. In no time you'll learn how to... *Repair e-mail and Web security holes *Find and eliminate back doors, Trojan horses, viruses, and buffer overflows *Recognize exposures from dial-up modems, modem pools, and RAS servers *Locate and scan for vulnerable systems using Whois, Domain Name System queries, Ping sweeps, Port scans, and OS detection *Crack accounts and passwords, escalate privilege, and exploit trusts *And much, much more.