DEBRA LITTLEJOHN SHINDER, MCSE, MVP (Security) is a technology consultant, trainer and writer who has authored a number of books on computer operating systems, networking, and security.

She is also a tech editor, developmental editor and contributor to over 20 additional books. Her articles are regularly published on TechRepublic’s TechProGuild Web site and Windowsecurity.com, and have appeared in print magazines such as Windows IT Pro (formerly Windows & .NET) Magazine. She has authored training material, corporate whitepapers, marketing material, and product documentation for Microsoft Corporation, Hewlett-Packard, DigitalThink, GFI Software, Sunbelt Software, CNET and other technology companies.

Deb lives and works in the Dallas-Ft Worth area and can be contacted at deb@shinder.net or via the website at www.shinder.net

Eric Geier (Dayton, Ohio) is a tech writer and author specializing in computer networking.

He's also the founder and CEO of NoWiresSecurity, which provides an outsourced RADIUS/802.1X service to help businesses secure their Wi-Fi networks with the Enterprise mode of WPA/WPA2 encryption.

Additionally, he's a Field Technician for Fast-Teks, an on-site computer services company that has hundreds of locations across the US.

Brien Posey is an award winning author who has written over 3,000 articles and written or contributed to 27 books. You can visit Brien’s personal Web site at www.brienposey.com

David Davis has served as an IT Manager for over 15 years. He has a number of certifications including CCIE #9369, MCSE, CISSP, & VCP. Additionally, David has authored over one hundred articles, a number of video training courses including Windows XP, Wireless Networking, Linux Administration, ISA Server, A+ Certification, Microsoft Virtual Server, VMware Server & Workstation, & VMware ESX Server. David publishes Cisco Networking how-to articles & videos at his website, HappyRouter.com.

Mitch Tulloch is a widely recognized expert on Windows administration, networking, and security. He has been repeatedly awarded Most Valuable Professional (MVP) status by Microsoft for his outstanding contributions in supporting users who deploy and use Microsoft platforms, products and solutions. Mitch has written or contributed to two dozen books and is lead author of the bestselling Windows 7 Resource Kit from Microsoft Press.

Mitch is based in Winnipeg, Canada, and you can find more information about his books at his website www.mtit.com You can also keep up with Mitch’s writing and speaking activities by friending him on Facebook and/or following him on Twitter.

Robert J. Shimonski is an enterpreneur, a professional technology consultant and a published author with over 20 years of experience working with technology. Robert's specialities include virtualization, network/systems management, network/systems design and architecture, security analysis, storage area network (SAN) design and depllyment and project development/management.

Russell Hitchcock is a consultant whose specialties include networked hardware, control systems, and antennae. Russell also has extensive technical writing experience on numerous topics.