Hi, I’m Ata. I write about things I find interesting: programming, security, and whatever else I’m tinkering with. Check out the About page for more information.
Recent Posts

Building a passive Ethernet tap
Cloning the Throwing Star LAN tap on mini breadboards for €10 to see how chatty my smart TV is. No power, no software, physically receive-only.

Generating coding puzzles with LLMs
How dailyprog generates a fresh coding puzzle every day: a legally safe corpus, an LLM-built ontology, and a repair loop that runs real code.

Revisiting server hardening
Six things my Linux hardening baseline missed, found on a fresh Debian 13 VPS, plus post-quantum SSH key exchange in one config line.

Rebuilding my blog with machines, for machines
I rebuilt this blog with the same URLs and markup, plus a JSON-LD graph on every page and microformats on every element. For the machines.