Patrik Fehrenbach
I'm a Security Engineer at Shopify with over a decade of experience in application security and bug bounty hunting. Through WSS, I provide expert security assessments and penetration testing services to help organizations secure their digital assets.
My Journey
As the founder of WSS, I bring my extensive experience from managing Shopify's bug bounty program and my previous role as Manager of Triage Services EMEA at HackerOne. My unique perspective comes from working on both sides of the security industry - as a bug bounty hunter and as a security program manager.
Services I Offer
Application Security
In-depth security assessments of web and mobile applications, drawing from my experience finding vulnerabilities in major platforms like Google, PayPal, and Facebook.
Penetration Testing
Professional penetration testing with a focus on real-world attack scenarios and business impact, backed by my experience as a top-ranked security researcher.
Bug Bounty Consulting
Strategic guidance on bug bounty programs, leveraging my experience managing HackerOne's EMEA triage team and Shopify's bug bounty program.
Platform Recognition
Reputation Points
Global Ranking
Researcher
Years Experience
Speaking Engagements
Nahamcon 2021
Amassive Leap in Content Discovery
Presented innovative techniques for discovering hidden content and attack surface expansion.
Troopers 2016
Security Evaluation of Dual-Stack Systems
Deep dive into security implications of IPv4 and IPv6 dual-stack implementations.
Media & Publications
Bayerischer Rundfunk – Puls
Featured expert on "Muss ich Angst vor Hackern haben?"
Heise Security
Published research on vulnerabilities in German financial institutions
Admin Magazine
Authored comprehensive guide on SQL Injection
Notable Research
iOS Security Research
Master's thesis on auditing iOS-based consumer diagnostic systems, focusing on OBD-II dongles security.
IPv6 Security Analysis
Comparative analysis of IPv4 and IPv6 security policies across 58,000 dual-stacked domains.
Let's Secure Your Applications
Get in touch to discuss how I can help protect your digital assets.
Contact Me