Lauritz Holtmann
Consultant Security Analysis & Pentest at BUSINESS UNICORNS
Bochum, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolLauritz Holtmann is an IT-security researcher and penetration tester with a decade of hands-on experience delivering web, mobile and SSO security assessments from Bochum, Germany. He consults on and runs bug bounty programs for platforms like HackerOne, Intigriti and Bugcrowd, and has led pentests and responsible-disclosure processes across enterprise applications and hardened mobile devices. Combining senior web development experience with deep mobile and SSO testing expertise, he builds internal tooling and training material to scale testing services. Notably, he moves fluidly between offensive research and program design—triaging bounty reports and advising organizations on vulnerability disclosure—bringing practical operational knowledge alongside academic training in IT security.
10 years of coding experience
1 year of employment as a software developer
Bachelor of Science - BS, IT-Sicherheit / Informationstechnik, Bachelor of Science - BS, IT-Sicherheit / Informationstechnik at Ruhr-Universität Bochum
German, English
Github Skills (83)
vala10
burp10
frida10
instrumentation10
xss10
extender10
ios-security10
android-security10
mobile-application10
owasp10
rest10
transformation10
api-testing10
apk10
mobsf10
Programming languages (12)
Github contributions (5)
lauritzh/domscan
Jul 2023 - Nov 2024
Simple tool to scan a website for (DOM-based) XSS vulnerabilities and Open Redirects.
Contributions:2 releases, 2 reviews, 53 PRs in 1 year 4 months
domvulnerabilitiesxssappsecbugbounty
lauritzh/PoC-Using_ImageMagick_in_vulnerable_WebApps
Jul 2019 - Nov 2020
Contributions:7 commits, 2 pushes in 1 year 4 months
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