A Vienna-based cybersecurity consultancy and venture studio. We build, invest in, and operate projects across security, fintech, hospitality, and infrastructure.
Explore ProjectsBitonur is a holding company and cybersecurity consultancy headquartered in Vienna, Austria. We serve as the parent entity for a diverse portfolio of ventures — from Bitcoin security intelligence and fintech solutions to hospitality and electrical engineering.
Our mission is to identify opportunities across industries and build sustainable, technology-driven businesses. Cybersecurity expertise remains at our core, informing every venture we launch or operate.
Consulting, audits, and breach intelligence for businesses of all sizes.
Identifying opportunities and building companies from the ground up.
Software development, infrastructure, and digital transformation.
Hands-on management and operational support for portfolio companies.
Bitcoin OSINT Investigation Platform. Trace, analyze, and visualize Bitcoin transactions for security research and forensic analysis.
bitwive.comSmart accounting for Austrian small businesses and freelancers (EPU & KMU). Automated bookkeeping that thinks along with you — Buchhaltung, die mitdenkt.
finonur.comQueer-friendly café & bar in Vienna's 7th district. Anatolian meze, craft cocktails, and breakfast until 4 PM — Burggasse 44, 1070 Wien.
roza.atFamily-run electrical engineering and photovoltaic systems company. Professional installations, maintenance, and renewable energy solutions.
elektro-hds.atCybersecurity consulting, software development, and the operation of affiliated ventures.
The content of this website is created with care. No liability is assumed for the accuracy, completeness, or timeliness of the information provided. Links to external websites lead to third-party content; no responsibility is taken for those pages.
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The breach check tools query the public APIs of Have I Been Pwned (pwnedpasswords.com) and XposedOrNot. Passwords are hashed locally and only a partial hash is transmitted; no personal data is stored by this website.