<P>Historically, security managers have tended to be sourced from either the armed forces or law enforcement. But the increasing complexity of the organisations employing them, along with the technologies employed by them, is forcing an evolution and expansion of the role, and security managers must meet this challenge in order to succeed in their field and protect the assets of their employers. Risk management, crisis management, continuity management, strategic business operations, data security, IT, and business communications all fall under the purview of the security manager. </P><P>This book is a guide to meeting those challenges, providing the security manager with the essential skill set and knowledge base to meet the challenges faced in contemporary, international, or tech-oriented businesses. It covers the basics of strategy, risk, and technology from the perspective of the security manager, focussing only on the ''need to know''. The reader will benefit from an understanding