With heightened awareness of security in society and businesses, this book is a timely resource for the IS Manager. It stresses implementing security within corporations by using commercial off the shelf software, rather than the development of security software. Chapter topics cover issues in corporate IT security, physical access and social engineering attacks, packet attacks, firewalls, application security, hardening host and router operating systems, cryptography, virtual private networks (VPNs), incident response and business continuity, security management, and the broader picture. For IS managers.