Certified Professionals: GCWN

Certified Professionals:

GIAC Certified Windows Security Administrator

Individuals responsible for installing, configuring, and securing Microsoft Windows clients and servers.

GIAC Certified Windows Security Administrators (GCWNs) have the knowledge and skills needed to configure and manage the security of Microsoft operating systems and applications, including: PKI, IPSec, Group Policy, AppLocker, EMET, DNSSEC, PowerShell, and hardening Windows against malware and persistent adversaries. Candidates should be familiar with Windows 7, Windows 10, Server 2012, and Server 2016.

29 of 1,879 GCWN Professionals
Analyst * Name First Certified Expiration
3015 O'Brien, John Aidan Apr 01, 2015 Apr 30, 2019
2726 O'Reilly, Thomas Aug 09, 2013 Aug 31, 2017
123 Oakes, David Jul 09, 2001 Jul 31, 2005
3129 Oberender, Hannes Jan 28, 2016 Jan 31, 2020
211 Odak, Stephan Dec 15, 2002 Dec 31, 2006
1488 Odashima, Jun Oct 05, 2008 Oct 31, 2020
896 Odinetz, Steven May 27, 2007 May 31, 2011
18 Offenberg, M. Jun 15, 2000 Jun 30, 2004
207 Okamoto, Keith Dec 06, 2002 Dec 31, 2006
3252 Oliver, Walt Jul 09, 2016 Jul 31, 2020
348 Olsen, Camilla Jul 29, 2005 Jul 31, 2009
3289 Olson, Kristin Sep 12, 2016 Sep 30, 2020
389 Olsson, David Jan 13, 2006 Jan 31, 2010
2823 Onderwyzer, Lucie Dec 05, 2013 Dec 31, 2017
3003 Onken, Skyler Mar 06, 2015 Mar 31, 2019
2608 Opacity, Michael Nov 06, 2012 Nov 30, 2020
2681 Orr, Frankie Apr 05, 2013 Apr 30, 2017
266 Ortiz, Jorge David Jan 06, 2004 Nov 30, 2013
2259 Ortiz, Jose Feb 11, 2011 Aug 24, 2019
83 Oryszczyn, James Mar 23, 2001 Mar 31, 2009
1833 Ostling, Andreas Mar 06, 2010 Mar 31, 2014
2974 Ostrowski, Mark Jan 10, 2015 Jan 31, 2019
1428 Oswald, Steve Aug 05, 2008 Aug 31, 2012
68 Otis, Brig Dec 08, 2000 Dec 31, 2004
2656 Oulton, Mark Feb 04, 2013 Feb 28, 2017
2433 Overly, Seth Sep 15, 2011 Sep 30, 2015
616 Owen, Daniel Dec 10, 2006 Dec 31, 2018
33 Owen, Greg Aug 26, 2002 Aug 31, 2008
365 Owen, Randall Oct 28, 2005 Oct 31, 2009