"With fast developing world of electronics, gadgets and net, criminals have matched the means to use and exploit technology to their destructive cause. It becomes all the more important and imperative to use modern technology to protect and secure industrial houses and business establishments. This book attempts to highlight advantage of having electronic surveillance in the field of security. The book unfolds various aspects of electronic surveillance that normally go unnoticed. Today, terrorism extends beyond physical destruction of life and property. To counter their threat, industry has to step up electronic surveillance. It has become imperative that security threat assessment, identification, classification and response are made perfect and that minimum time is lost in this process. This book helps students of security issues to learn about the possible threats and gives them an idea of the available technologies today that can help combat terrorist threats."