About

My name is Julien Ahrens, and I am one of the few Million-Dollar Hackers on HackerOne. I’m a freelancer who focuses on penetration tests of web applications, mobile apps, and desktop clients.

Certifications

  • Offensive Security Web Expert (OSWE)
  • SecurityTube Linux Assembly Expert (SLAE)
  • Offensive Security Certified Professional (OSCP)
  • PCI SSC Internal Security Assessor
  • eLearnSecurity Certified Professional Penetration Tester (eCPPT)

Security Research

Online Publications

  • hackerone.com – HACKER SPOTLIGHT: INTERVIEW WITH MRTUXRACER
  • sz.de – Ich finde immer eine Schwachstelle
  • bild.de – Interview with bild.de
  • youtube.com – Interview @ Live Recon with @nahamsec
  • hackerone.com – Live Hacking in Amsterdam

Bug Bounty Platform Profiles

Disclosed Security Vulnerabilities and Exploits

CVE Track Record

See my Github for a complete list.