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25,855 researchers, 1,381 honor badges
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715,444 vulnerabilities


Testimonials About Our Security Researchers
TeamViewer
Axel Schmidt from TeamViewer   Twitter @TeamViewer

"Cameron helped us significantly improve our services, and certainly proved to be extremely knowledgeable. We are extremely grateful to him and very much appreciate his research."

Berkeley university
Gary from UC Berkeley   Twitter @casterln

"Much appreciated alert. Will take seriously any future notices for sure. Very helpful. Recommended!"

Philips
Peter from Philips   Twitter @PeterQsm94934

"Pedro did a swift job in disclosing the vulnerability he found. Thanks!"

EBAY
Robert Philipps from eBay Inc.   Twitter @rophilipps

"Very professional security researcher. dim0k found an unknown XSS vulnerability on one of our sites and provided us with clear information about how and where to find the issue, so we could resolve it very fast. We here at eBay can say that this was a very pleasant experience and are very thankful for his great work!"

wikiHow
Reuben from wikiHow   Twitter @reuben_smith

"Thanks you for bringing these issues to our attention!"

Verizon
Rob McGregor from VERIZON   Twitter @RobMcGregor4

"Indeed professional, rapid to respond, and we do look forward to working together for any future issues identified. Keep up the good work!!"

EPFL
Patrick Saladino from EPFL   Twitter @patricksaladino

"Dear Serge, The EPFL would like to thank you for identifying and responsibly disclosing a vulnerability on one of our websites. Your responsiveness was also greatly appreciated."

W3C
deniak974 from W3C   Twitter @deniak974

"Great feedback with useful recommendations. Much appreciated!"

Massachusetts Institute of Technology
Alin Tomescu from MIT   Twitter @alinush407

"localblackhat (CMD) found an XSS bug on our website which we were able to quickly fix thanks to her/his help."

Yamaha
ycjisysspg_sec from Yamaha Corporation   Twitter @ycjisysspg_sec

"Thank you tbmnull for finding the XSS vulnerability on www.yamaha.com (Reports No: 180851, 180214). Though a long time has passed from your reporting, we inform that we mended the vulnerabilities. Keep up the good work!"

Julius-Maximilians-Universität of Würzburg
Computer Center from University of Vienna   Twitter @ziduniwien

"Dear SonnySpooks, The University of Vienna would like to thank you for your valuable contribution in finding multiple website security issues. Your input is highly welcome and helps to raise the security level of our educational institution. Servus and greetings from Vienna, Austria."

British Library
Tony from British Library   Twitter @SecurityBl

"Thank you Sohel for identifying a vulnerability on our site which has contributed to making it more secure. Thank you."

DELL
Omey from Dell   Twitter @omey_09

"Thank you for your great assistance for finding XSS vulnerability on our site. Keep it up....."

Virgin Australia
Silas from Virgin Australia   Twitter @__sw1tch__

"Dan is incredibly professional, very responsive and a pleasure to work with. Many thanks!"

santé publique france
Philippe C. from Santé publique France   Twitter @sahorle

"Merci pour la notification. La faille de sécurité est corrigée."

Canon
Josef Krycha from Canon Europe Ltd.   Twitter @JKrycha

"DrStache reported multiple vulnerabilities in Canon websites ranging form reflected XSS's, SQL injections to information disclosure. All findings were valid and the communication with him was quick and efficient. Thank you for your help and best of luck!"

A1
Responsible Disclosure from A1 Telekom Austria   Twitter @PaulMar23292621

"Hey, sorry last time I checked your site I didn't see this way to get in contact with you. Thank you very much for your submission to us. As you have noticed the issue has already been fixed. We don't have a hall of fame yet, but I will make sure that you are on it once it arrives. Please excuse the late reply. All the best, RD @ A1"

American Bar Association
Josh from ABA   Twitter @JoshHar25910089

"Thanks for finding the XSS vulnerability - very helpful, and he was quick to respond when I couldn't reproduce it."

The University of TOKYO
bmwghp from University of Tokyo   Twitter @bmwghp

"Thanks for your report of a vulnerability on our site and quick response to our request of additional information. We were able to fix the problem very soon."

Twitter
Paddy from Twitter   Twitter @paddydrums

"Thanks for helping out. Fast and helpful response."



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Latest Coordinated Disclosures

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Awards Our Security Researchers Get
Open Bug Bounty Researcher wins $200,00 USD Open Bug Bounty Researcher wins $600,00 USD Open Bug Bounty Researcher wins lot of money bounties
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Most Recommended Security Researchers

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Coordinated and Responsible Disclosure

Recently Patched

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Quickest Patched

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