Frans Rosén

Frans Rosén is a tech entrepreneur, security researcher, and bug bounty hunter based in Stockholm, Sweden. He currently serves as a Security Advisor at Detectify, a cloud-based security testing platform.12

Professional Background

Key Professional Roles::

• Security Advisor at Detectify (2012 - Present)1
• CTO at Centra (January 2017 - Present)1
• Founder & CTO of Young / Skilled, a creator agency behind a CMS/B2C ecommerce suite called Silk1

Security Expertise

Rosén is a renowned figure in the cybersecurity community, recognized for his:

• Top-ranked participation in bug bounty programs2
• Receiving the highest bounty payout ever on HackerOne2
• Frequent blogging at Detectify Labs about security research2
• Speaking at security events and raising awareness about information security2

Research Approach:: He specializes in finding vulnerabilities through methodical techniques like:

• Examining input validation mistakes
• Analyzing JavaScript for potential security weaknesses
• Investigating OAuth sign-in functionality
• Performing detailed asset discovery and reconnaissance3

Rosén was also featured on HackRead's list of 10 Famous Bug Bounty Hunters of All Time, highlighting his significant contributions to cybersecurity.2