Welcome

This is where I try to think calmly about subjects where IT and society meet: data, identity, infrastructure, privacy.

Alongside the articles you'll find a few small tools I built for myself and decided to share, the software I build and release, and a short bio.

Recent articles

  • Data leaks are a design flaw, not bad luck

    Odido. The municipality of Epe, where the records of nearly all residents were stolen. The breast-cancer screening programme covering hundreds of thousands of women. Even the Dutch Data Protection Authority itself. Over the past months a new leak seems to land every week, and the response is always the same: better security, harsher fines, faster mandatory reporting. All sensible, but they are bandages on a deeper wound. Our data is in the wrong place.

    Continue reading about Data leaks are a design flaw

Software

  • Ledgerix

    Accounting package for sole traders and small businesses. Installer for Windows, a Linux package, or self-hosted through Docker.

  • Facturix

    Invoicing package for sole traders and small businesses: invoices, quotes, credit notes and reminders, with e-invoicing (UBL/Peppol) and payment links.