Greg Hoglund is a well known member of the security community including the Black Hat Society and a published author on the subject of computer security and computer hacking. He is, among other things, the author of Exploiting Online Games. Hoglund drew the attention of the media when he exposed the functionality of Blizzard Entertainment's Warden software.
Hoglund has published numerous works in the field of security:
Active Reversing: The Next Generation of Reverse Engineering, BlackHat 2007 USA/Europe, ([1])
Exploiting Online Games, Addison Wesley, 2007, ( official book page)
Rootkits, Subverting the Windows Kernel, ISBN 0321294319, ISBN 9780321294319( Related book page)
Hacking World of Warcraft: An Exercise in Advanced Rootkit Design, BlackHat 2005/2006 USA/Europe/Asia, ([2])
Exploiting Software, Addison Wesley, 2004, ISBN 0-201-78695-8 ( official book page)
VICE - Catch the Hookers!, BlackHat 2004 USA, ([3])
Runtime Decompilation, BlackHat Windows Security 2003 Asia, ([4])
A *REAL* NT Rootkit, patching the NT Kernel, 1999, Phrack magazine, ( Phrack Magazine article)
Hoglund also founded and operates a popular site devoted to the subject of rootkits, ( rootkit.com)]]Hoglund founded several security startup companies which are still in operation today:
HBGary, Inc. Focused on reverse engineering malware and insider threat response. ( hbgary.com)
Cenzic, Inc. Focused on web application security for the Fortune-500. ( cenzic.com)
Bugscan, Inc. Developed an appliance that would scan software for security vulnerabilities without sourcecode. Acquired in 2004 by LogicLibrary, Inc.