Tyson Kopczynski, CISSP, GCIH, with more than ten years of experience in IT, has become a specialist in Active Directory, information assurance, Windows automation, PKI, and IT security practices. Tyson is also the founding author of the Windows PowerShell Unleashed series and has been a contributing author for such books as Microsoft Internet Security and Acceleration (ISA) Server 2006 Unleashed and Microsoft Windows Server 2008 R2 Unleashed. He has also written many detailed technical papers and guides covering various technologies. As a consultant at Convergent Computing, Tyson works with and has provided feedback for next generation Microsoft technologies since their inception and has also played a key role in expanding the automation and security practices at Convergent Computing. Tyson also holds such certifications as the Certified Information Systems Security Professional (CISSP), the SANS Security Essentials Certification (GSEC), SANS Certified Incident Handler (GCIH), and the Application Platform, Active Directory, and Network Infrastructure (MCTS).