As organizations increase their system links and exposure to customers, competitors, browsers, and hackers, web professionals have to be trained in techniques for effectively protecting their sites from internal and external threats. This book reveals how the internet is paving the way for secure communications within organizations and on the public internet. It provides the fundamental knowledge needed to analyze risks to a system and to implement a security policy that protects information assets from potential intrusion, damage, or theft. It provides dozens of real-life scenarios and examples, as well as hands-on instruction in securing web communications and sites.