Certified Penetration Testers

Certified Penetration Testers

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Displaying 306 of 14971 Certified Professionals
Name Expires Certification
O'Donnal, Trevor January 31, 2020 GAWN
O'Brien, Andy June 30, 2019 GAWN
O'Brien, Christopher GSE GCIH
O'Brien, Christopher GSE GPEN
O'Brien, Christopher GSE GXPN
O'Brien, David P. August 31, 2020 GCIH
O'Brien, James March 31, 2019 GCIH
O'Brien, Michael January 31, 2021 GPEN
O'Brien, Michael December 31, 2019 GCIH
O'Brien, Sean October 31, 2020 GCIH
O'Callaghan, Cathal May 31, 2017 GPEN
O'Ceallaigh, Des March 31, 2021 GWAPT
O'Connell, Reece November 30, 2019 GPEN
O'Connor, Dan October 31, 2018 GCIH
O'Connor, Dan January 31, 2018 GPEN
O'Connor, Dan August 31, 2019 GWAPT
O'Connor, Dan July 31, 2018 GMOB
O'Connor, Ryan November 30, 2019 GCIH
O'Connor, Walter April 30, 2021 GCIH
O'Daniel, Patrick May 31, 2020 GCIH
O'Dea, Sean June 30, 2019 GPEN
O'Dell, Ian December 31, 2017 GPEN
O'Donnell, Kelly May 31, 2020 GWAPT
O'Donnell, Kelly September 30, 2018 GPEN
O'Donnell, Kelly May 31, 2019 GMOB
O'Donnell, Kelly December 31, 2019 GCIH
O'Donnell, Sean November 30, 2020 GCIH
O'Donovan, Paul August 31, 2018 GCIH
O'Dowd, Dennis May 31, 2019 GPEN
O'Gara, Mick March 31, 2021 GCIH
O'Halloran, Chris April 30, 2018 GCIH
O'Halloran, Chris September 30, 2018 GWAPT
O'Halloran, Sean May 31, 2019 GCIH
O'Keefe, Thomas November 30, 2018 GCIH
O'Leary, Chad October 31, 2019 GCIH
O'Malia, Casey July 31, 2021 GCIH
O'Neill, Leon August 31, 2021 GCIH
O'Neill, Thomas November 30, 2019 GCIH
O'Neill, Tobias March 31, 2021 GCIH
O'Reilly, Martin October 31, 2018 GCIH
O'Reilly, Stephen March 31, 2020 GPEN
O'Reilly, Stephen September 30, 2019 GCIH
O'Shannessy, Liam September 30, 2017 GPEN
O'Sullivan, Christopher July 31, 2019 GPEN
O'Sullivan, John March 31, 2017 GCIH
O'Sullivan, Simon December 31, 2017 GPEN
Oakes, Nathan November 30, 2019 GCIH
Oakes, Tony January 31, 2021 GCIH
Oberender, Hannes January 31, 2021 GXPN
Oberholtzer, Patricia December 31, 2020 GCIH
Oberle, David January 31, 2021 GCIH
Oberlin, Craig July 31, 2020 GCIH
Oberoi, Jatinder Singh March 31, 2017 GPEN
Oblander, Derek June 30, 2018 GCIH
Obregon, Luciana August 31, 2020 GPEN
Obregon, Luciana February 29, 2020 GCIH
OBrien, K.C. May 31, 2020 GCIH
OBrien, K.C. July 31, 2019 GPEN
OBrien, Keith August 31, 2018 GCIH
OBrion, Tom December 31, 2019 GCIH
Obrucnik, Dusan November 30, 2020 GWAPT
Obudulu, Okey January 31, 2020 GCIH
OCallaghan, Denis March 31, 2018 GCIH
Ocegueda, Luis September 30, 2020 GWAPT
Ochoa, Edson February 28, 2018 GMOB
OConnor, Terrence GSE GWAPT
OConnor, Terrence GSE GXPN
OConnor, Terrence GSE GCIH
OConnor, Terrence GSE GPEN
Odashima, Jun February 28, 2018 GMOB
Odegaard, Kjetil February 28, 2021 GWAPT
ODell, Jason July 31, 2017 GCIH
ODell, Jason October 31, 2018 GPEN
ODell, Jason January 31, 2018 GMOB
Oden, Christofer August 31, 2017 GCIH
Oden, Jeffrey April 30, 2019 GPEN
Odom, Emily June 30, 2018 GCIH
Odom, Emily June 30, 2019 GWAPT
Odom, Emily August 31, 2018 GMOB
Odya, Dustin March 31, 2019 GWAPT
Oehlerking, Josh August 31, 2018 GCIH
Oehlert, Sam August 31, 2018 GPEN
Oepen, Dominik September 30, 2017 GXPN
Oertel, Aaron October 31, 2017 GCIH
Oestreicher, Harry November 30, 2019 GWAPT
Ofarril, Rogelio February 28, 2018 GCIH
Offenberg, Joel November 30, 2018 GWAPT
Ofiaza, Richard April 30, 2019 GCIH
Ofosu-Asante, Julius April 30, 2019 GCIH
Ogasa, Takaharu November 30, 2019 GPEN
Ogasa, Takaharu March 31, 2019 GWAPT
Ogbonna, Uzoma Chigozie October 31, 2019 GCIH
Ogden, Chris April 30, 2020 GCIH
Ogden, Daniel May 31, 2019 GCIH
Ogden, Harold June 30, 2019 GCIH
Ogden, Harold December 31, 2018 GPEN
Ogletree, Corey July 31, 2020 GCIH
Ogletree, Sean March 31, 2019 GCIH
Ogresovich, Jason August 31, 2020 GCIH
Ogunde, Nicholas March 31, 2019 GCIH
Ogunde, Nicholas March 31, 2018 GMOB
Ogundimu, Akintola March 31, 2021 GCIH
Ogunyanwo, Olugbenga January 31, 2021 GCIH
Oh, Jun Hui March 31, 2021 GCIH
Ohana, Donny November 30, 2019 GCIH
Ohana, Donny November 30, 2019 GCIH
Ohayon, Julien November 30, 2017 GPEN
Ohayon, Julien October 31, 2017 GWAPT
Ohayon, Julien May 31, 2019 GXPN
Ohlsson, Mattias September 30, 2017 GPEN
Ohmer, Joshua October 31, 2019 GCIH
Ohriner, Kelly November 30, 2020 GMOB
Ohrman, Ken April 30, 2019 GPEN
Oishi, Reid August 31, 2017 GCIH
Ojha, Alok June 30, 2017 GCIH
Oka, Hirofumi March 31, 2020 GWAPT
Okhovat, Duran February 28, 2018 GPEN
Okinczyc, Jeannette December 31, 2020 GCIH
Oksanen, Scott June 30, 2019 GXPN
Oktavianto, Digit July 31, 2017 GCIH
Okuhara, Takahiro May 31, 2019 GWAPT
Okunseinde, Oluwole April 30, 2020 GMOB
Olagne, Quentin May 31, 2020 GMOB
Olagne, Quentin August 31, 2020 GXPN
Olatunji, Olatunde June 30, 2018 GCIH
Olaya Acosta, Jose August 31, 2021 GPEN
Olaya Acosta, Jose August 31, 2018 GWAPT
Oldenburg, Christopher April 30, 2019 GWAPT
Oldright, Michael April 30, 2020 GCIH
Olesen, Jan February 28, 2021 GPEN
Olesen, Thomas November 30, 2017 GCIH
Olipane, Robert J. May 31, 2019 GCIH
Oliva, Brian April 30, 2019 GCIH
Oliva, Brian June 30, 2021 GWAPT
Oliver, Brian June 30, 2018 GCIH
Oliver, Chad September 30, 2020 GCIH
Oliver, Kimberly May 31, 2019 GCIH
Oliver, Ryan April 30, 2020 GWAPT
Oliver, Simon May 31, 2018 GWAPT
Olivier, Medoc March 31, 2018 GAWN
Olivier, Medoc April 30, 2017 GXPN
Olivier, Steven March 31, 2018 GCIH
Olivo, Gregory October 31, 2018 GPEN
Olivo, Gregory July 31, 2018 GCIH
Olmstead, Frank January 31, 2020 GCIH
Olmsted, Salina July 31, 2017 GCIH
Olsen, Camilla May 31, 2018 GCIH
Olsen, Kim September 30, 2018 GCIH
Olsen, Ole Christian September 30, 2018 GPEN
Olsen, Owen November 30, 2017 GCIH
Olsen, Oyvind Hollup March 31, 2017 GCIH
Olsen, Oyvind Hollup February 29, 2020 GPEN
Olson, Cera February 29, 2020 GPEN
Olson, Christopher May 31, 2017 GPEN
Olson, Karl April 30, 2020 GPYC
Olson, Larry June 30, 2020 GPYC
Olson, Shane September 30, 2018 GCIH
Olson, Steven June 30, 2020 GWAPT
Olsson, Niclas September 30, 2021 GCIH
Olsson, Niclas April 30, 2021 GPEN
Olsson, Tricia May 31, 2017 GPEN
Olszewski, Lukasz March 31, 2019 GCIH
Oltman, Leon July 31, 2019 GMOB
Olude, Gbolahan August 31, 2018 GPEN
OMalley, Jim June 30, 2018 GCIH
OMalley, Jim August 31, 2019 GAWN
Oman, Andrew April 30, 2019 GMOB
Oman, Idris August 31, 2020 GCIH
Omar, Moustafa June 30, 2020 GPEN
OMara, Jacob March 31, 2019 GCIH
Omura, Fred May 31, 2019 GXPN
Omuralieva, Nazira December 31, 2017 GCIH
Omuralieva, Nazira December 31, 2020 GPEN
Ondercin, Paul July 31, 2020 GCIH
ONeal, Jonathan March 31, 2018 GWAPT
Oneil, Carlos November 30, 2017 GCIH
Oneil, Carlos April 30, 2019 GWAPT
ONeill, Scott April 30, 2020 GCIH
ONeill, Scott April 30, 2020 GCIH
Ong, Chyn Kok March 31, 2017 GPEN
Ong, Hoon Jin March 31, 2022 GPEN
Ong, Hoon Jin February 28, 2019 GMOB
Ong, Jonathan July 31, 2019 GCIH
Ong, Leonard September 30, 2020 GCIH
Ong, Sze Wee December 31, 2018 GCIH
Ongenae, Tony July 31, 2019 GCIH
Oni, Tunde August 31, 2017 GPEN
Oni, Tunde August 31, 2018 GWAPT
Onken, Skyler October 31, 2019 GXPN
Onstad, Tony December 31, 2019 GCIH
Oo, Soe Pyae June 30, 2021 GCIH
Ooi, Eric August 31, 2021 GCIH
Ooi, Jamie May 31, 2018 GPEN
Ookami, Shinya July 31, 2018 GWAPT
Oostveen, Ron August 31, 2020 GWAPT
op de Beek, Peter October 31, 2017 GXPN
Op de Beek, Stefan July 31, 2017 GXPN
Opacity, Michael January 31, 2020 GCIH
Opacity, Michael September 30, 2022 GPEN
Opatrny, Justin July 31, 2017 GPEN
Opdyke, Eric August 31, 2018 GCIH
Opel, Benjamin October 31, 2019 GCIH
Oprea, Liviu Dan April 30, 2019 GPEN
Oprea, Liviu Dan April 30, 2019 GXPN
Opsahl, Jan Magnus March 31, 2018 GCIH
Opsahl, Ronny July 31, 2018 GCIH
Orban, Ciprian January 31, 2021 GCIH
Orban, Ciprian December 31, 2019 GPEN
Orchilles, Jorge April 30, 2022 GCIH
Orchilles, Jorge August 31, 2019 GPEN
Orchilles, Jorge August 31, 2020 GXPN
Orcutt, Jared April 30, 2018 GCIH
Oreilly, Aaron November 30, 2017 GCIH
Orem, Martin March 31, 2021 GXPN
Orizu, Chidozie November 30, 2020 GCIH
Orlovsky, Keith November 30, 2020 GPEN
Ormes, Eric January 31, 2019 GCIH
Ormond, Ryan April 30, 2019 GCIH
Ormond, Ryan August 31, 2019 GPEN
Orozco, Ana June 30, 2020 GCIH
Orr, Frankie March 31, 2021 GCIH
Orr, Frankie June 30, 2017 GPEN
Orr, Joshua March 31, 2020 GPEN
Orr, Joshua July 31, 2019 GCIH
Orr, Michael December 31, 2019 GCIH
Orrender, Jeffrey December 31, 2019 GCIH
Orrvick, Dan August 31, 2020 GPEN
Orrvick, Dan September 30, 2017 GWAPT
Ortega, Juan April 30, 2018 GCIH
Orthman, Joe March 31, 2018 GCIH
Ortiz, Andres March 31, 2019 GCIH
Ortiz, John February 29, 2020 GCIH
Ortiz, Jose GSE GCIH
Ortiz, Jose GSE GPEN
Ortiz, Kimberly March 31, 2019 GPEN
Ortiz, Matthew March 31, 2020 GPEN
Ortiz, Michael February 28, 2019 GCIH
Ortiz, Omar December 31, 2020 GPEN
Ortiz, Omar February 28, 2019 GCIH
Ortiz Barron, Hector March 31, 2019 GCIH
Ortiz Barron, Hector October 31, 2018 GPEN
Ortlieb, Mike July 31, 2018 GPEN
Ortlieb, Mike August 31, 2019 GWAPT
Orwig, Kenneth January 31, 2020 GCIH
Orye, Erwin September 30, 2020 GCIH
Osborne, Frank July 31, 2020 GWAPT
Osborne, George October 31, 2019 GCIH
Osborne, George March 31, 2020 GPEN
Osborne, George August 31, 2018 GXPN
Osborne, Heather March 31, 2019 GCIH
Osburn, Jeremiah April 30, 2017 GCIH
Oser, Patrick August 31, 2017 GCIH
Oser, Patrick September 30, 2019 GPEN
Osinski, Stephen M. September 30, 2018 GCIH
Osman, Yansen April 30, 2019 GWAPT
Osmus, Eric October 31, 2019 GCIH
Ostapenko, Anna November 30, 2020 GCIH
Osten, Darren February 29, 2020 GWAPT
Osthoff, Conor December 31, 2018 GMOB
Ostiadal, Ionut-Sorin January 31, 2021 GCIH
Ostmo, Vidar July 31, 2019 GCIH
Ostrander, Steven January 31, 2021 GAWN
Ostrokol, Michael February 28, 2019 GWAPT
Ostrom, Jason June 30, 2018 GWAPT
Ostrowski, Paul March 31, 2020 GCIH
Osunji, Olatunji January 31, 2019 GCIH
Otaegi, Mikel January 31, 2019 GMOB
Otero-Ostalaza, Roque R. September 30, 2017 GCIH
Otis, Lynn August 31, 2019 GCIH
Otis, Storm September 30, 2019 GWAPT
Oto, Shigeaki November 30, 2020 GPEN
Oto, Shigeaki March 31, 2020 GWAPT
Ottaway, Alan August 31, 2020 GCIH
Ottenbacher, Levi A. April 30, 2019 GCIH
Otto, Silas March 31, 2017 GCIH
Otto, Silas June 30, 2017 GPEN
Oudhof, Andre October 31, 2020 GWAPT
Ouellette, Daniel March 31, 2019 GPEN
Ouellette, Daniel January 31, 2019 GWAPT
Ousley, Martin May 31, 2020 GPYC
Outten, Stephen April 30, 2020 GCIH
Overall, Brandon February 29, 2020 GPEN
Overbaugh, John August 31, 2017 GCIH
Overbaugh, John September 30, 2020 GWAPT
Overby, Newton February 28, 2021 GPEN
Owen, Benjamin December 31, 2018 GCIH
Owen, Daniel August 31, 2020 GCIH
Owen, Daniel January 31, 2021 GPEN
Owen, Daniel September 30, 2020 GCIH
Owen, Daniel February 28, 2023 GCIH
Owen, Daniel July 31, 2019 GAWN
Owen, Dylan December 31, 2017 GPEN
Owen, Graham November 30, 2017 GCIH
Owen, Greg April 30, 2018 GWAPT
Owen, Philip December 31, 2018 GPEN
Owen, Rod September 30, 2019 GCIH
Owen, Rod February 29, 2020 GAWN
Owen, Rod October 31, 2017 GPEN
Owen, Rod March 31, 2018 GWAPT
Owens, Matthew July 31, 2019 GCIH
Ozaki, Mitsuyoshi June 30, 2020 GPEN
Ozlanski, Anthony July 31, 2020 GWAPT
Ozmen, Bekir August 31, 2019 GMOB
Ozoya, Tosin March 31, 2019 GPEN
Ozturk, Gunce November 30, 2018 GCIH
Ozturkci, Halil May 31, 2019 GPEN