SCHULZ:DK

One person – many ideas!

2026

06

Apr

The Cryptographic Zombie: How Keybase Went from Privacy Darling to Zoom’s Cleanup Crew

Once the ultimate geek flex for cypherpunks, Keybase promised to make PGP cryptography accessible to mere mortals. Today, it hovers in the digital ether as a “zombie” app. Here is the story of how a revolutionary open-source identity platform was cannibalized to become Zoom’s corporate cleanup crew.

Read more

05

Apr

Linux Snippets #2: Sanitizing Directory Metadata with ExifTool

Blindly uploading images to the web is a massive privacy leak. Here is how to use exiftool to recursively strip hidden GPS and hardware metadata from your staging directories before they ever leave your disk.

Read more

03

Apr

Linux Snippets #1: Auditing Network Visibility with ss

Your Linux system is constantly initiating connections in the background. Learn how to use the modern ss command to instantly audit active network sockets, expose chatty processes, and take back control of your data sovereignty.

Read more

01

Mar

The story and 25y anniversary for the illegal prime

The Illegal Prime: When Math Became Contraband

March 2026 marks the 25years anniversary for something beautiful – A number….illigal number!

Read more

15

Jan

When Critical Infrastructure meets VNC on the open Internet

Did you know that a lot of critical infrastructure, factories, and much much more is easily accessible (and controllable) via VNC? One of my pet projects made me realize just how bad it is.

Read more

2025

06

Nov

Framework backs the wrong crowd

The Framework Saga – When the laptop you love, backs the wrong crowd

Framework built its reputation on openness and repairability, but when “open” starts to include the far-right, things get messy. Their sponsorship of DHH’s Omarchy project raises uncomfortable questions about where ideals end and ideology begins. It’s a reminder that even modular laptops can carry moral baggage, and sometimes the hardest part to replace isn’t a component – it’s integrity.

Read more

24

Sep

Malware with a Mind of Its Own – a case study in 4 acts

A new armsrace has begun and in many ways it seems like we have started something we cannot stop again – like Skynet, but real!
So I set out to explore this a bit and write about it.

Read more

05

Sep

tussh screenshot

Meet TuSSH – A Retro-Modern Way to Tame Your SSH Jungle

Say hello to TuSSH – a retro-modern terminal app for managing SSH connections with ease. Instead of wrangling a messy ~/.ssh/config, you get a smooth, scrollable interface where hosts are listed, details shown, and connections launched with a single keystroke. Adding or editing hosts no longer means hand-editing configs—TuSSH makes it fast, simple, and even a bit fun. It’s open source, free on GitHub, and ready for your contributions.

Read more

27

Aug

Mastui – A Retro-Modern Mastodon Client for the Terminal

Tired of clunky Mastodon clients that don’t fit your workflow? I built Mastui, a retro-modern Mastodon client for the terminal. Think multi-timeline views, themes, and even image rendering — all inside your terminal window. It started as a pet project, but it’s quickly grown into a proper community tool.

Read more

14

May

data soverignty begins at home

The Political Climate Is a Cybersecurity Problem – And It’s Time to Move Your Data

In a world where cloud giants are entangled with global surveillance and legal overreach, trusting your data to ‘neutral’ infrastructure is a risky illusion. This post dives into why geopolitical tension is now a cybersecurity issue – and why it’s smarter than ever to store your data locally, or at least within the EU

Read more