Stefan Keller · Basel, Switzerland
Good design, solid security and trusted services — to protect people and their data.
Privacy-by-design engineering, GDPR compliance and ISO / EuroPriSe-style assurance, combined. A curated knowledge base and an independent practitioner's perspective.
People
Building products & services that protect people's rights and freedoms — privacy by design & by default.
Compliance
Demonstrating GDPR compliance and meeting supervisory-authority expectations.
Dreams
Getting ideas to market without having to worry about privacy complaints.
You
Readiness & preparation — the combined technical, legal and security view.
Knowledge base
Curated reference material by topic — enforcement, methodology, technology domains, health and jurisdictions.
🇪🇺 GDPR & EU (core)Principles, lawful bases, rights, obligations.
⚖️ Enforcement & case lawFines, DPA decisions, CJEU rulings — by root cause.
🙋 Data subject rightsAccess, erasure, portability, objection (Arts 12–22).
🚨 Breach & incident responseArts 33/34, 72-hour clock, playbooks.
🧭 DPIA & methodologyAssessment, audit & inspection readiness.
🛡 Security & resilienceNIS2, CRA, DORA, ISO 27001.
🩺 Digital health & HIPAADiGA, EHDS, Swiss EPR, US health.
🍪 Website & app privacyCookies, trackers, SDKs, ad IDs.
🌍 CountriesPer-country folders, incl. 🇨🇳 China / CAC.