Franz Bettag

Over Franz

I am Franz Bettag, founder and managing director of Bettag Systems UG (haftungsbeschränkt), based in Fürth, Germany. I work independently on external web/API penetration testing, vulnerability analysis and reverse engineering of routers, appliances and firmware, supported by platform, Unix and Go engineering experience. I develop and use AI-assisted research tools and personally validate findings, impact and reproducibility. My work includes clear reports, remediation guidance and retesting. I ranked #2 in HackerOne's Germany VDP category for Q1 2026. Historical evidence and research presentation: https://no2vdp.bett.ag/ . HackerOne profile: https://hackerone.com/fbettag . I work as a solo specialist. Project scope, availability and any on-site work are agreed individually. Communication in German or English.

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