Dirk Holtwick
Veilchenweg 58
45478 Mülheim an der Ruhr
Germany
Email: support@holtwick.de 🔐 GPG / PGP
No product support by phone!
Phone and Fax: +49 208 30980801
International VAT Number: DE203564597
Our Software License Agreement & Terms apply.
Legal
In accordance with German and European law.
- Privacy Policy
- Responsible according to § 18 Abs. 2 MStV: Dirk Holtwick, address as above
- Some texts on our websites are written with the help of AI. They are reviewed before publication, and Dirk Holtwick holds editorial responsibility for them.
Reporting a security vulnerability
Single point of contact for vulnerability reports according to Regulation (EU) 2024/2847 (Cyber Resilience Act): confidential@holtwick.de 🔐 GPG / PGP
Our policy on coordinated vulnerability disclosure, including what happens after a report: Reporting a Security Vulnerability. We do not operate a bug bounty programme.