Historical bounty hunters

Below are all of the researchers who contributed to our Bug Bounty program prior to our shift to the HackerOne platform. For a recent list of our Bounty researchers, check out our HackerOne leaderboard.

September 2019

• Vlad Ionescu - @Vlaaaaaaad

April 2019

• Vyshakh Parakkat - @vyshakh

March 2019

• brian - @brxxn

October 2018

• Florian Kunushevci - @floriankunushevci

September 2018

• joernchen - @joernchen

June 2018

• Antonio Sanso - @asanso
• Jonathan Walker - @jonathanwalker

May 2018

• Kamil Hismatullin - @kamilhism

April 2018

• Etienne Stalmans - @staaldraad

February 2018

• Abss - @Abss0x7tbh
• Dylan Katz - @Plazmaz

January 2018

• Kristof Jakab - @jaksi

December 2017

• Borja Berastegui - @BBerastegui

November 2017

• Kamil Hismatullin - @kamilhism
• Teddy Katz - @not-an-aardvark
• Tanner - @Cache-Money
• Abss - @Abss0x7tbh

September 2017

• Patrick Recher - @patte
• @mishre

July 2017

• Teddy Katz - @not-an-aardvark
• Dmitry - @x-crossfire
• Adam Baldwin - @evilpacket
• Slawomir Brzezinski - @zlamma

June 2017

• Ioannis Profetis - @Psychotropos

May 2017

• @zhuowei
• joernchen - @joernchen

March 2017

• Max Dymond - @cmeister2
• Nikita Skovoroda - @ChALkeR
• Antonio Sanso - @asanso
• @mishre

February 2017

• Ioannis Kakavas - @jkakavas
• @yasinS
• Mark L. Smith - @brainopener
• kyprizel - @kyprizel

January 2017

• @iblue
• Orange Tsai - @orangetw
• Mathias Karlsson - @avlidienbrunn
• Brian Soby - @soby
• Ioannis Kakavas - @jkakavas

December 2016

• Orange Tsai - @orangetw

November 2016

• kyprizel - @kyprizel

October 2016

• Rohit Dua - @rohit-dua

September 2016

• Georges.L - @Geolim4
• Rohit Dua - @rohit-dua
• Kamil Hismatullin - @kamilhism
• Harry Chen - @h8rry
• Vishnu Vardhan Reddy - @VishnuDfx
• Choongwoo Han - @tunz

August 2016

• Jay Patel - @jayjpatel9717
• Pouya Darabi - @pouyadarabi
• Abhishek Baru - @abhishek8298
• @filedescriptor

July 2016

• kyprizel - @kyprizel
• Vishnu Vardhan Reddy - @VishnuDfx
• Itzik Naim - @iwm911
• Kamil Hismatullin - @kamilhism
• Rhys Elsmore - @rhyselsmore
• Lukas Reschke - @LukasReschke
• John Gracey - @jagracey

June 2016

• Itzik Naim - @iwm911
• George-Cristian Bîrzan - @gcbirzan

May 2016

• Kieran Huggins - @kieran
• antn - @antn
• Arjun V - @arjunv

April 2016

• Adam Chester - @xpn

March 2016

• kyprizel - @kyprizel
• Aleksandr Dobkin<img src=404 onerror=alert(document.domain)> - @adob
• Adam Chester - @xpn
• Mathias Karlsson - @avlidienbrunn
• Blake Burkhart - @bburky
• Harishkumar - @harishkumar0394

February 2016

• Kamil Hismatullin - @kamilhism
• Ershad Kunnakkadan - @ershad
• Ionică Bizău (Johnny B.) - @IonicaBizau

January 2016

• Alejandro Martínez - @zenitraM
• Harry M.G. - @testusername911
• Koen Rouwhorst - @koenrh
• Mithat Gögebakan - @mithatgogebakan

December 2015

• Alex Suraci - @vito
• Vishnu Vardhan Reddy - @VishnuDfx
• Aaron - @NoEffex

November 2015

• @ytrezq
• Sarah Jamie Lewis - @s-rah

October 2015

• Nikita Skovoroda - @ChALkeR
• joernchen - @joernchen
• Ionică Bizău (Johnny B.) - @IonicaBizau

September 2015

• @ytrezq

August 2015

• José Miguel Parrella - @bureado
• Ben Holden-Crowther - @blrhc

July 2015

• Sane Sindhuja Reddy - @SindhujaReddy
• Vishnu Vardhan Reddy - @VishnuDfx

June 2015

• Stefan Sundin - @stefansundin
• @gcanalesb
• joernchen - @joernchen
• Cryptosense - @cryptosense

May 2015

• Choongwoo Han - @tunz

April 2015

• Francois Chagnon - @EiNSTeiN-
• Choongwoo Han - @tunz
• Ari Rubinstein - @arirubinstein

March 2015

• Lukas Reschke - @LukasReschke
• Hugh Davenport - @hughdavenport
• @ealf
• Aspen Smith - @glittershark
• Mathias Karlsson - @avlidienbrunn

February 2015

• Bob Weinand - @bwoebi
• Niklas Keller - @kelunik
• Aleksandr Dobkin<img src=404 onerror=alert(document.domain)> - @adob

January 2015

• Ben Cox - @benjojo
• Yoshio HANAWA - @hnw
• Ionică Bizău (Johnny B.) - @IonicaBizau
• Anthony Teestudio - @teestudio
• Albert Huang - @alberthdev

December 2014

• Mathias Karlsson - @avlidienbrunn

November 2014

• Antonio Sanso - @asanso
• Hal Gottfried - @Im-Hal-9K

October 2014

• Mathias Karlsson - @avlidienbrunn
• Ben Sadeghipour - @nahamsec
• Kamil Hismatullin - @kamilhism

September 2014

• @kamael

August 2014

• Ben Holden-Crowther - @blrhc
• Aleksandr Dobkin<img src=404 onerror=alert(document.domain)> - @adob

July 2014

• youssef elaassali - @youssef240697

June 2014

• Abdul Wasay - @AbdulWasayGaanja
• Aleksandr Dobkin<img src=404 onerror=alert(document.domain)> - @adob
• Prayas Kulshrestha - @prayas1337

May 2014

• Filippos Mastrogiannis - @FilipposM
• joernchen - @joernchen

April 2014

• stephan.com - @stephancom
• Ari Rubinstein - @arirubinstein

March 2014

• கோபிநாத்(Gopinath) - மதுரை(Madurai) - @gopinath6
• Mathias Karlsson - @avlidienbrunn
• Simone Memoli - @Simon90Italy

February 2014

• Mathias Bynens - @mathiasbynens
• Tom Van Goethem - @tomvangoethem
• Joao Brasio - @WHHackersBR
• Aleksandr Dobkin<img src=404 onerror=alert(document.domain)> - @adob
• joernchen - @joernchen
• Bitquark - @bitquark
• Venugopal Thotakura - @venu
• Manish Bhattacharya - @introvertmac
• Egor Homakov - @homakov
• Nir Ashwall (CyberInt.com) - @niro982
• Michael Henriksen - @michenriksen
• r0dkc4b - @r0dkc4b
• Simon Brown - @simonbrown
• கோபிநாத்(Gopinath) - மதுரை(Madurai) - @gopinath6
• Bhavesh Naik - @testmanager92
• Neal Poole - @nealpoole
• Paul Axe - @paul-axe
• Yuji Kosuga "'/x=/></script></title><x><x/ - @yujikosuga
• @zhuowei

January 2014

• Hardik Tailor - @HardikTailor
• joernchen - @joernchen
• koutrouss Naddara - @koutrouss
• Masato Kinugawa - @masatokinugawa
• Ryan William O'Hara - @ryanwohara
• Alok Menghrajani - @alokmenghrajani
• Mathias Bynens - @mathiasbynens
• Ashar Javed - @soaj1664
• Tom Van Goethem - @tomvangoethem

July 2013

• Andy Hoernecke - @ahoernecke

June 2013

• joernchen - @joernchen