Last updated: 13 August 2026
1. Controller # The controller responsible for processing personal data in connection with this website is:
Dennis Irrgang
Email: d@irrgang.dev
Postal address: see the Legal Notice.
2. Technical delivery of the website # irrgang.dev is a static website generated with Hugo. The published pages are generated in advance and delivered through Cloudflare Workers Static Assets. There is no WordPress/PHP backend, no user account system, no comment system, and no contact form.
Last updated: 13 August 2026
Provider and contact # Dennis Irrgang
Am Klostergarten 8, 50858 Köln, Germany
Email: d@irrgang.dev
Responsibility for journalistic-editorial content # Where irrgang.dev contains journalistic-editorial content within the meaning of section 18(2) of the German Interstate Media Treaty (Medienstaatsvertrag, MStV), the person responsible is:
Last updated: 13 August 2026
1. Summary # In its current static implementation, irrgang.dev uses no analytics, advertising, or marketing cookies. A general cookie-consent banner is therefore not part of the website.
The website does use functional browser-side storage for the appearance selected by the user. Cloudflare Web Analytics works without cookies or other persistent client-side storage. In addition, Cloudflare may set technically necessary cookies in certain security situations.
Get In Touch # E-Mail # Good old e-mail. Greatest common denominator.
Send an E-Mail LinkedIn # Facebook wearing a suit. Check my profile if you’re interested in my career.
I’m an information-security professional with a technical foundation in network architecture and an enduring interest in art and philosophy.
I don’t treat those as separate identities. Security teaches me to reason under uncertainty; philosophy asks what our decisions imply; making things keeps both honest by forcing ideas into form. The useful work tends to happen where these disciplines meet.