Privacy policy

The German version (Datenschutzerklärung) is the binding one.

1. Controller

2. In short

This website is purely informational. It sets no cookies, uses no analytics or tracking, contains no JavaScript and loads nothing from third parties; fonts and graphics are served from our own server.

3. Hosting

The site runs on a virtual server of IONOS SE, Elgendorfer Str. 57, 56410 Montabaur, Germany. To deliver a page, the web server processes your IP address and the request data (requested address, user agent) briefly in memory. The web server keeps no access logs. Purpose: delivering the site; legal basis Art. 6(1)(f) GDPR (secure and stable operation). A data processing agreement under Art. 28 GDPR is in place with IONOS. No personal data is transferred to third countries; server and mailbox are at IONOS SE in Germany.

4. Email

If you email us, we process your details to answer your request (Art. 6(1)(b) or (f) GDPR) and delete them when they are no longer needed and no statutory retention duty (e.g. six years for business letters, § 147 AO) applies. Email is received via IONOS SE.

5. Support portal (support.certwerk.eu)

The support portal runs the Zammad software on the same server at IONOS SE in Germany. We create accounts for customers and prospects; there is no open sign-up. We process name, email address, company if given, the content and attachments of your requests and technical sign-in data (time, IP address, user agent). Purpose: handling your requests; legal basis Art. 6(1)(b) GDPR (contract or pre-contractual request), for technical data Art. 6(1)(f) GDPR (secure operation). The portal sets a strictly necessary session cookie for sign-in (§ 25(2) no. 2 TDDDG) and no analytics or advertising cookies. Notifications are sent by email via IONOS SE. We delete requests and accounts when they are no longer needed and no retention duty applies; on request we delete your account earlier.

6. Right to object (Art. 21 GDPR)

You have the right to object at any time, on grounds relating to your particular situation, to processing of your personal data based on Art. 6(1)(f) GDPR. Write to kontakt@certwerk.eu.

7. Your other rights

You have the rights of access, rectification, erasure, restriction and data portability (Art. 15–18, 20 GDPR); write to kontakt@certwerk.eu. You may also complain to a supervisory authority, for example the Hessian Commissioner for Data Protection and Freedom of Information, P.O. Box 3163, 65021 Wiesbaden (office: Wilhelmstraße 7, 65185 Wiesbaden), Germany, poststelle@datenschutz.hessen.de.

8. Other

There is no automated decision-making or profiling. Providing your data is neither a legal nor a contractual requirement; without your IP address the site cannot be delivered.

As of November 2026