Infosec Institute

Open Bug Bounty mentioned in the
Top 6 Bug Bounty programs of
2022 by the InfoSec Institute

The Hacker News

Open Bug Bounty named among the
Top 5 Bug Bounty programs of 2021
by The Hacker News

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1,600,553 coordinated disclosures
1,250,083 fixed vulnerabilities
1,861 bug bounty programs, 3,729 websites
40,035 researchers, 1,612 honor badges

Oc3f Top VIP Security Researcher of the Month | Security Researcher Profile

Security researcher Oc3f has already helped fix 901 vulnerabilities.

Researcher reputation:  50

Real name:
Tadj Youssouf

About me:
Independent Security Researcher
Listed in many HoF: Google , Facebook, Microsoft, Mozilla CVE-2018-5176, Apple , bitdefender, Sony, AT&T, Western union, eBay, ...worked also as consultant for a lot of online banks under NDA contracts.

Contact email:
[email protected]

Experience in Application Security
3-5 years

Halls of Fame:
Google : "tadj youssouf"

Recommendations and Acknowledgements

@xmajox     6 September, 2016
    Twitter xmajox Rodrigo from GetYourGuide:
Oc3f has helped us identify and fix a vulnerability with our platform. He was respectful and a pleasure to deal with. Keep up the good work!
@DIMDTM     20 November, 2017
    Twitter DIMDTM Driss from Dimelo:
Merci pour cette remontée de faille, nous avons pu la fixer rapidement !
@CorentinDIDIEUX     16 August, 2017
    Twitter CorentinDIDIEUX CorentinD from FitnessBoutique:
Merci Oc3f pour la remontée d'information ! :)
@TristanGuiheux     28 December, 2016
    Twitter TristanGuiheux Tristan Guiheux from Personal Recommendation:
0c3f has helped us many times to find and fix some issues on web sites we're protecting. This kind of help is greatly appreciated from a security perspective. This way we can improve ourselves and protect our customers. Thanks again in my name.
@SACHAVUKOVIC     1 August, 2016
    Twitter SACHAVUKOVIC Sacha_VUK from VIDAL:
Oc3f have find an issue on our web site, thanks for your works and help to fix it quickly !

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Honor Badges

Number of Secured Websites

10+ Secured Websites Badge
50+ Secured Websites Badge
500+ Secured Websites Badge
Web Security Veteran Badge
10+ Websites
50+ Websites
500+ Websites
1000+ Websites

Advanced Security Research

WAF Bypasser Badge
CSRF Master Badge
AppSec Logic Master Badge
Fastest Fix Badge
WAF Bypasser
CSRF Master
30+ Reports
AppSec Logic Master
30+ Reports
Fastest Fix
Fix in 24 hours

Outstanding Achievements

Secured OBB Badge
OBB Advocate Badge
Improved OBB Badge
Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

Patch Master Badge
Patch Guru Badge
Patch Lord Badge
Patch Master
55% Patched
Patch Guru
65% Patched
Patch Lord
75% Patched

Recommendations and Recognition

10+ Recommends
25+ Recommends
50+ Recommends

Distinguished Blog Author

Distinguished Blog Author Badge
Distinguished Blog Author Badge
Distinguished Blog Author Badge
1 Post
3 Posts
5+ Posts

Research Statistics

Total reports:1373
Total reports on VIP sites:314
Total patched vulnerabilities:901
Recommendations received:5
Active since:03.05.2016
Top Security Researcher Awards:Gold Star Top Security Researcher of the Month
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate

Researcher Certificate

Reported Vulnerabilities

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  Recent Recommendations

    22 September, 2023
Thank you for pointing out the vulnerability. Your report was very helpful!
    6 September, 2023
Much appreciated the notice from Dipu1a about our website. He provided clear guidelines to resolve and I'm looking forward to working with him in the future.
    5 September, 2023
Thank you very much for reporting the vulnerability. Good luck with your everything!!!
    4 September, 2023
Your report was very helpful! Thank you very much !
    25 August, 2023
Thank you for your help in ensuring the security of our domain and its visitors! Your contributions are invaluable.