Johann Rehberger
Red Team Director at WUNDERWUZZI, LLC
Seattle, Washington, United States
Summary
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Senior🎓
Top SchoolJohann Rehberger is a Red Team Director and security engineering leader with 8+ years focused on offensive security and a long career mentoring and building teams at companies like EA, Uber, and Microsoft. He blends deep technical expertise in threat analysis, threat modeling, and red teaming with hands-on ethical hacking—running his own boutique consultancy WUNDERWUZZI and an influential blog, Embrace the Red. Johann has taught advanced ethical hacking at the University of Washington and led offensive security for cloud and data platforms at Microsoft, giving him rare cross-domain experience from infrastructure to ML services. As an author and speaker, he translates complex attack techniques into practical guidance for defenders and engineering teams. Based in Seattle, he pairs academic credentials in computer security with a practitioner’s mindset and a penchant for public-facing education. A detail that often surprises colleagues: he runs both enterprise-scale red teams and a one-person C-suite hacking studio, demonstrating fluency from strategy to exploit.
8 years of coding experience
15 years of employment as a software developer
Master of Science (MSc), Computer Security, Distinction, Master of Science (MSc), Computer Security, Distinction at University of LiverpoolBachelor of Science (BSc), Computer Science, First Class Honours Degree, Bachelor of Science (BSc), Computer Science, First Class Honours Degree at University of DerbyIng., Electronical Data Processing and Organization, Distinction, Ing., Electronical Data Processing and Organization, Distinction at HTL St. Poelten EDVO
Github Skills (37)
fingerprint10
penetration-testing10
security10
security-testing10
attack-defense10
pentesting10
infosec9
agent9
cli9
vulnerabilities9
gpt8
developer-tools8
source-code-analysis8
vulnerability-detection8
openai8
Programming languages (4)
Github contributions (5)
wunderwuzzi23/blog
Dec 2018 - Jan 2023
Security Research Blog
Contributions:542 commits, 1 PR, 575 pushes in 4 years 2 months
vulnerabilitiessecurityinfosecsecurity-researchattack-defense
wunderwuzzi23/firefox-cookiemonster
Jul 2020 - Jul 2020
Contributions:40 commits, 38 pushes, 1 branch in 1 day
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