Information security is a fundamental necessity and enabler for modern business and is essential for safeguarding business continuity. Security, however, is not a simple commodity that can be ordered by weight and bolted on to an IT infrastructure. Security considerations should permeate every aspect of IT. HP recognizes the complexity of large, distributed IT environments and takes a proactive approach to enterprise security. This handbook outlines HP's strategy for information security and summarizes the products, solutions, and services that address the security needs of enterprise customers. It focuses on the three pillars of HP's security strategy: proactive security management, identity management, and trusted infrastructures.