Certified Professionals: GPEN

Certified Professionals:

GIAC Penetration Tester

The GPEN certification is for security personnel whose job duties involve assessing target networks and systems to find security vulnerabilities. Certification objectives include penetration-testing methodologies, the legal issues surrounding penetration testing and how to properly conduct a penetration test as well as best practice technical and non-technical techniques specific to conduct a penetration test.

67 of 3,487 GPEN Professionals
Analyst * Name First Certified Expiration
8211 O'Brien, Christopher May 20, 2013 May 31, 2017
8193 O'Callaghan, Cathal May 01, 2013 May 31, 2017
8588 O'Connor, Dan Jan 27, 2014 Jan 31, 2018
8528 O'Dell, Ian Dec 04, 2013 Dec 31, 2017
5323 O'Donnell, Kelly Sep 08, 2010 Sep 30, 2018
7544 O'Neil, Shannon Mar 08, 2012 Mar 31, 2016
8402 O'Shannessy, Liam Sep 20, 2013 Sep 30, 2017
8534 O'Sullivan, Simon Dec 09, 2013 Dec 31, 2017
964 Obermeier, Sebastian Dec 17, 2008 Dec 31, 2016
8125 Oberoi, Jatinder Singh Mar 17, 2013 Mar 31, 2017
799 OCallaghan, Denis Dec 04, 2008 Dec 31, 2012
4108 OConnor, Terrence Apr 12, 2010 Mar 31, 2015
1663 OConnor, Terrence Mar 02, 2009 Mar 31, 2013
9022 ODell, Jason Oct 02, 2014 Oct 31, 2018
7141 Oden, Jeffrey Apr 20, 2011 Apr 30, 2015
2044 Odenthal, BB Apr 20, 2009 Apr 30, 2013
8893 Oehlert, Sam Aug 04, 2014 Aug 31, 2018
3988 Oftedal, Einar Mar 22, 2010 Mar 31, 2014
4548 Ogawa, Masaki Jun 24, 2010 Jun 30, 2014
1353 OGorman, James Jan 29, 2009 Jan 31, 2013
1658 Ogunfiditimi, Olatide Mar 01, 2009 Mar 31, 2013
8503 Ohayon, Julien Nov 15, 2013 Nov 30, 2017
8378 Ohlsson, Mattias Sep 06, 2013 Sep 30, 2017
3803 Okhovat, Duran Feb 05, 2010 Feb 28, 2018
363 Olaeriu, Lica Oct 20, 2008 Oct 31, 2012
2749 Olaya Acosta, Jose Aug 20, 2009 Aug 31, 2017
7211 Olcese, Jose Jun 11, 2011 Jun 30, 2015
7683 Olguin Ortega, Gaston Jun 01, 2012 Jun 30, 2016
2424 Olivier, Chad Jul 08, 2009 Jul 31, 2013
9065 Olivo, Gregory Oct 17, 2014 Oct 31, 2018
6623 Olsen, Camilla Feb 17, 2011 Feb 28, 2015
8969 Olsen, Ole Christian Sep 09, 2014 Sep 30, 2018
7484 Olsen, Oyvind Hollup Feb 06, 2012 Feb 29, 2020
2248 Olson, Christopher May 28, 2009 May 31, 2017
1973 Olsson, Niclas Apr 08, 2009 Apr 30, 2017
2203 Olsson, Tricia May 15, 2009 May 31, 2017
8915 Olude, Gbolahan Aug 18, 2014 Aug 31, 2018
7961 Omuralieva, Nazira Dec 17, 2012 Dec 31, 2016
1859 Ong, Chyn Kok Mar 27, 2009 Mar 31, 2017
8657 Ong, Hoon Jin Mar 07, 2014 Mar 31, 2018
2773 Oni, Tunde Aug 24, 2009 Aug 31, 2017
8785 Ooi, Jamie May 30, 2014 May 31, 2018
5333 Opacity, Michael Sep 10, 2010 Sep 30, 2018
8294 Opatrny, Justin Jul 16, 2013 Jul 31, 2017
7293 Orchilles, Jorge Aug 11, 2011 Aug 31, 2019
3098 Orkin, Kevin Oct 15, 2009 Oct 31, 2013
8252 Orr, Frankie Jun 14, 2013 Jun 30, 2017
1918 Orrey, Kevin Mar 31, 2009 Mar 31, 2013
7767 Orrvick, Dan Aug 13, 2012 Aug 31, 2016
7115 Ortiz, James Apr 16, 2011 Apr 30, 2015
7201 Ortiz, Jose May 31, 2011 May 31, 2015
5793 Ortiz Barron, Hector Oct 19, 2010 Oct 31, 2018
4813 Ortlieb, Mike Jul 17, 2010 Jul 31, 2018
6349 Osborn, Kyle Dec 30, 2010 Dec 31, 2014
7559 Osborne, George Mar 16, 2012 Mar 31, 2016
7319 Oser, Patrick Sep 08, 2011 Sep 30, 2015
1543 Ostling, Andreas Feb 16, 2009 Feb 28, 2013
7084 Otcenasek, Viktor Apr 13, 2011 Apr 30, 2015
698 Oto, Shigeaki Nov 29, 2008 Nov 30, 2016
8256 Otto, Silas Jun 14, 2013 Jun 30, 2017
3543 Owen, Dylan Dec 29, 2009 Dec 31, 2017
3198 Owen, Rod Oct 30, 2009 Oct 31, 2017
4198 Ozden, Bora Apr 22, 2010 Apr 30, 2014
4103 Ozgul, Ceyhun Apr 10, 2010 Apr 30, 2014
7569 Ozlanski, Anthony Mar 23, 2012 Mar 31, 2016
303 Ozmun, Tim Oct 08, 2008 Oct 31, 2012
2998 Ozturkci, Halil Sep 26, 2009 Sep 30, 2013