Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 423,071 coordinated disclosures
229,092 fixed vulnerabilities
570 bug bounties with 1110 websites
11,443 researchers, 932 honor badges
Cyberanteater Top VIP Security Researcher of the Month

Twitter: @cyberanteater

PenTester / BugHunter / WhiteHat / Making Web a Safer Place :-) As a freelancer I do also offer penetration tests/security checks. If you're interested contact me and I'll send you my Info-Package. Certified Information Systems Auditor (ISACA) Certified Information Security Manager (ISACA) Cyber Security Practitioner (ISACA & BSI)

Recommendations and Acknowledgements

    10 July, 2019
     AOKBayern Matthias from AOK Bayern:
Vielen Dank für den Hinweis und den netten, vertrauensvollen Kontakt. Dadurch konnten wir einen Fehler auf unserer Konfigurations-Seite beheben.
    8 July, 2019
     RESTPOSTENde Christoph from GKS Handelssysteme GmbH:
Thanks Armin for disclosing an issue to us so that we could close it within minutes due to your professional documentation. It's guys like you that make the internet a safer an better place :)
    18 December, 2018
     piefke_schorsch Georg from FINDOLOGIC GmbH:
Thanks to Armin for making us aware of an XSS issue in our service. It's people like him that make the web a safer place!
    13 September, 2018
     Gambio Wilken Haase from Gambio GmbH:
Wir bedanken uns bei Armin für die professionelle und unkomplizierte Zusammenarbeit, die zur Verbesserung unserer Software geführt hat.
    25 August, 2019
     rtm86 Artem from Abweb:
Thanks Armin for disclosing an issue to us so that we could close it within minutes
    12 August, 2019
     wischstar Carlos Oehme from Otto Oehme GmbH:
Super netter Kontakt, der uns auf eine Sicherheitslücke hingewiesen hat. Diese haben wir umgehend geschlossen!
    12 August, 2019
     Lohas_de peter from Josef Traub GmbH:
Danke für das aufmerksam machen auf die Schwachstelle, damit konnten wir umgehend Abhilfe schaffen. Toller Service.
    30 July, 2019
     CoreInstance WebInstanceCore from Core:
Armin, thx again helping us on a information disclosure vuln
    15 May, 2019
     tempter82215985 Timo from vekoop:
Vielen Dank Armin für den Hinweis auf die Schwachstelle, die nach Rücksprache mit dem Dienstleister geschlossen werden konnte!
    16 April, 2019
     Danny76084307 Danny from buttinette:
Hallo Armin,
vielen Dank für Deinen Einsatz!
Durch deinen Hinweis konnten wir zwei Lücken schließen.
Schöne Grüße

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Honor Badges

Number of Secured Websites

10+ Websites
50+ Websites
500+ Websites
1000+ Websites

Advanced Security Research

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

Outstanding Achievements

Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

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

Recommendations and Recognition

10+ Recommends
25+ Recommends
50+ Recommends

Distinguished Blog Author

1 Post
3 Posts
5+ Posts

Research Statistics

Total reports:1789
Total reports on VIP sites:49
Total patched vulnerabilities:1450
Recommendations received:58
Active since:20.06.2018
Top Security Researcher Awards: Top Security Researcher of the Month Top Security Researcher of the Month Top Security Researcher of the Month

Open Bug Bounty Certificate

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Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

Domain Reported Status Type

  Latest Patched


  Latest Blog Posts

19.08.2019 by ismailtsdln
IBM - Cross site Scripting [XSS]
15.08.2019 by thevivekkryadav
13.08.2019 by Renzi25031469
XSSCon - XSS Tool @Kitploit
13.08.2019 by Cur1S3
I Found a multiple xss on
13.08.2019 by ZIKADS
xss at

  Recent Recommendations

    26 August, 2019
Thanks you for helping me find xss on my photography websitr
    26 August, 2019
Helped patch xss
    26 August, 2019
Thanks for finding xss
    26 August, 2019
thanks for helping me out to find xss
    25 August, 2019
Thanks Armin for disclosing an issue to us so that we could close it within minutes