1. Controller
The controller responsible for data processing on this website is:
Dr. Michael Haid
An der Kemm, 40885 Ratingen, Germany
E-mail: michael.haid@p2x.solutions
2. Data We Collect
When you visit this website, the following data may be processed automatically:
- IP address (anonymised after session end)
- Date and time of access
- Browser type and version
- Referring URL
- Pages visited and session duration
This data is collected in server log files to ensure technical operation and security. It is not combined with other data sources and is deleted after 14 days.
3. Legal Basis
Data processing is carried out on the basis of Art. 6(1)(f) GDPR (legitimate interest in secure and functional website operation). Where you have given explicit consent, processing is based on Art. 6(1)(a) GDPR.
4. Cookies
This website uses a session cookie (p2x_session) solely to manage authenticated
access. The cookie is set only after a successful login, is flagged HttpOnly and Secure,
and expires after 24 hours or when you sign out. No third-party tracking or advertising
cookies are used.
5. Third-Party Services
This website uses the following external services:
- OpenStreetMap / Leaflet.js — interactive project map. Tiles are loaded from OpenStreetMap servers; your IP address may be transmitted to them. See OpenStreetMap Privacy Policy.
- unpkg.com CDN — delivers Leaflet library files. Your IP address may be transmitted to Cloudflare/unpkg servers.
6. Hosting
This website is hosted on a server located in Germany (Berlin) operated by:
IONOS SE
Elgendorfer Str. 57, 56410 Montabaur, Germany
IONOS Privacy Policy
IONOS processes server access data (including IP addresses) as a data processor under a Data Processing Agreement (DPA) in accordance with Art. 28 GDPR. When you access this website, IONOS may temporarily store your IP address in server log files for up to 14 days for security and operational purposes.
7. Data Retention
Server log files are retained for a maximum of 14 days and then deleted automatically. Session cookies expire after 24 hours. No other personal data is stored beyond the duration of your visit.
8. Your Rights
Under the GDPR you have the following rights regarding your personal data:
- Right of access (Art. 15 GDPR)
- Right to rectification (Art. 16 GDPR)
- Right to erasure (Art. 17 GDPR)
- Right to restriction of processing (Art. 18 GDPR)
- Right to data portability (Art. 20 GDPR)
- Right to object (Art. 21 GDPR)
- Right to lodge a complaint with a supervisory authority (Art. 77 GDPR)
To exercise any of these rights, please contact us at: michael.haid@p2x.solutions
9. Changes to this Policy
We reserve the right to update this Privacy Policy to reflect changes in legal requirements or our services. The current version will always be available at this URL. We recommend reviewing this page periodically.
Last updated: March 14, 2026