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.

101 of 1,879 GCWN Professionals
Analyst * Name First Certified Expiration
2872 Labate, Michael Apr 25, 2014 Apr 30, 2018
2414 Lack, Darrell Jul 29, 2011 Jul 31, 2015
197 Ladner, Todd Oct 25, 2002 Oct 31, 2008
281 Lafortune, Pierre Jun 10, 2004 Jun 30, 2008
2633 LaFrance, Jason Dec 10, 2012 Dec 31, 2020
2950 Lahiri, Rochana Oct 30, 2014 Oct 31, 2018
360 Laiho, Sami Oct 13, 2005 Oct 31, 2009
89 Laing, Alicia Apr 13, 2001 Apr 30, 2007
183 Lam, Jason Jul 27, 2002 Oct 31, 2014
2701 Landers, John Jun 11, 2013 Jun 30, 2017
3167 Lang, Chad Feb 26, 2016 Feb 29, 2020
2770 Lang, Jeffry Sep 30, 2013 Sep 30, 2017
2648 Langlois, Philippe Jan 25, 2013 Jan 31, 2017
64 Langsters, Jim Dec 08, 2000 Dec 31, 2004
2799 Lappano, Gilbert Oct 29, 2013 Oct 31, 2017
313 Larabee, Frederick Mar 26, 2005 Feb 28, 2019
1229 Lard, Keith Jan 25, 2008 Jan 31, 2012
2214 LaRoche, Kenneth Jan 18, 2011 Jan 31, 2015
30 Laroche, Mary Aug 11, 2000 Aug 31, 2012
1798 Larsen, Troels Jan 13, 2010 Jan 31, 2018
2359 Lassalle, Dave Mar 21, 2011 Mar 31, 2015
179 Lassen, Daryl May 12, 2002 May 31, 2008
2806 Laura, Steven Nov 06, 2013 Nov 30, 2017
1773 Laurent, Nicolas Nov 05, 2009 Nov 30, 2017
290 Lawless, Derek Sep 01, 2004 Sep 30, 2008
3203 Le Goec, Yannick Apr 19, 2016 Apr 30, 2020
2583 Leabo, Marc Aug 27, 2012 Aug 31, 2016
2148 Leahy, Craig Dec 16, 2010 Dec 31, 2014
2561 Leary, Thomas Jul 23, 2012 Jul 31, 2016
3215 Leasher, Jeremy Apr 22, 2016 Apr 30, 2020
2392 Lebrecht, Richard May 27, 2011 May 31, 2015
2459 Ledford, Robert Dec 05, 2011 Dec 31, 2019
3225 Lee, Charles Apr 29, 2016 Apr 30, 2020
866 Lee, Davis May 25, 2007 May 31, 2019
2570 Lee, Dustin Aug 06, 2012 Oct 31, 2019
2379 Lee, Hoon Mar 31, 2011 Mar 31, 2015
3125 Lee, Joel Jan 20, 2016 Jan 31, 2020
205 Lee, Rune Dec 24, 2002 Dec 31, 2012
2675 Lee, Scott Apr 04, 2013 Apr 30, 2017
2711 Lee, Tarie Jul 06, 2013 Jul 31, 2017
165 Leeper, Michael Jan 28, 2002 Jan 31, 2008
176 Leger, Michael Apr 09, 2002 Apr 30, 2008
1573 Legge, Timothy Feb 11, 2009 Feb 28, 2021
238 Lehman, Tyler May 28, 2003 May 31, 2009
2996 Leising, Dan Mar 03, 2015 Mar 31, 2019
518 Leiter, Debra Oct 29, 2006 Oct 31, 2010
315 LeMay, Pete Mar 27, 2005 Oct 31, 2018
349 Lemmon, Gregory Aug 02, 2005 Aug 31, 2009
3205 Lenglet, Johan Apr 21, 2016 Apr 30, 2020
2173 Lenn, Terry Jan 11, 2011 Jan 31, 2015
1908 Lentz, Thomas Jun 26, 2010 Jun 30, 2018
3032 Leonard, Vladimir May 08, 2015 May 31, 2019
515 Lequar, James Oct 28, 2006 Oct 31, 2010
1863 Lerfors, Johan Apr 29, 2010 Apr 30, 2014
956 Leri, Damien Aug 11, 2007 Aug 31, 2011
2930 Leskinen, Marko Sep 16, 2014 Sep 30, 2018
2687 Lester, Rosanne Apr 06, 2013 Apr 30, 2017
1654 LeVeque, Vincent Sep 25, 2003 Sep 30, 2017
1829 Lew, Lillian Mar 03, 2010 Mar 31, 2018
3178 Lewia, Kristopher Mar 16, 2016 Mar 31, 2020
152 Lewis, Brett Nov 29, 2001 Nov 30, 2005
474 Lewis, Nick Aug 14, 2006 Aug 31, 2010
2952 Lewis, Richard Oct 31, 2014 Oct 31, 2018
3269 Lewis, Ryan Sep 01, 2016 Sep 30, 2020
170 Li, Chester Feb 14, 2002 Feb 28, 2006
502 Liberty, Larry Oct 02, 2006 Oct 31, 2010
391 Lich, Brian Jan 18, 2006 Jan 31, 2010
415 Lidbom, Derek Mar 21, 2006 Mar 31, 2018
971 Ligda, Erik Aug 13, 2007 Aug 31, 2011
3080 Light, Travis Sep 17, 2015 Sep 30, 2019
3058 Lightner, Shane Jun 15, 2015 Jun 30, 2019
2707 Lim, Lester Jun 21, 2013 Jun 30, 2017
495 Lin, Mark Sep 23, 2006 Sep 30, 2014
2803 Linde, Jason Nov 01, 2013 Nov 30, 2017
3118 Linder, Jared Dec 22, 2015 Dec 31, 2019
2484 Lindsay, Adam Feb 17, 2012 Feb 29, 2016
741 Lingle, Adam Feb 25, 2007 Feb 28, 2011
494 Linn, Ryan Sep 18, 2006 Sep 30, 2014
2715 Linville, Chris Jul 10, 2013 Jul 31, 2017
2038 Lisenbee, Daniel Oct 12, 2010 Oct 31, 2014
3078 Little, Amanda Sep 14, 2015 Sep 30, 2019
409 Liu, HueiShuan Mar 09, 2006 Mar 31, 2010
213 Livero-Scott, Andrea Dec 20, 2002 Dec 31, 2006
876 Lockington, Scott May 31, 2007 May 31, 2011
2862 Loeffler, Kevin Mar 31, 2014 Mar 31, 2018
222 Long, Brian Mar 16, 2003 Mar 31, 2007
2763 Long, Jim Sep 25, 2013 Sep 30, 2017
891 Loos, Johan Jun 20, 2007 Jun 30, 2019
3041 Lopez, Enrique May 08, 2015 May 31, 2019
2773 Lopez, Marc Oct 02, 2013 Oct 31, 2017
260 Lopyrev, Alexander Oct 26, 2003 Oct 31, 2007
81 Loser, Lois Mar 20, 2001 Mar 31, 2005
791 Loupe, Jeff Mar 28, 2007 Mar 31, 2015
236 Lowther, Brandon May 11, 2003 May 31, 2013
88 Lucas, Mark Apr 13, 2001 Apr 30, 2009
2824 Lucas, Mark Dec 10, 2013 Dec 31, 2017
253 Lui Tien Heong, Willie Aug 21, 2003 Aug 31, 2007
42 Lukaschuk, Shawn Oct 08, 2000 Oct 31, 2008
444 Lundmark, Matthew May 04, 2006 May 31, 2010
514 Luther, Katie Oct 27, 2006 Oct 31, 2010
3161 Lutrell, Heather Feb 25, 2016 Feb 29, 2020