93 Windows 7 for IT Professionals: Enhance Security and Control Viruses, spyware, root kits, and phishing scams pose a constant risk to users today. Windows 7 builds upon the proven security lineage of Windows Vista, retaining the multiple layers of defense that made Windows Vista the most secure version of the Windows client to date. At the same time, Windows 7 responds to requests from IT professionals to make the security features in Windows Vista more usable and manageable, and delivers new security features to help IT professionals more effectively address the continually evolving threat landscape. As discussed in the Windows 7 For End Users section, Windows 7 was designed and developed using Microsoft‘s Security Development Lifecycle—and builds on the defense-in-depth security enhancements in Windows Vista, which form the foundation for Windows 7 security. Windows 7 is supported by Windows Update, Automatic Updates, Microsoft Updates, and a Software Update Validation program that provides rigorous testing of updates before they‘re released to customers. In addition, Windows 7 is engineered to support Common Criteria requirements to achieve Evaluation Assurance Level 4 certification and Federal Information Processing Standard 140-2 evaluation. IT professionals can take advantage of Advanced Group Policy Management and other features in the Microsoft Desktop Optimization Pack to further enhance security and control.