Eugen Ullrich
DEEN

Publications

Guest articles and features

My articles on AI visibility, AI agents and prompt injection – in t3n, HackerNoon, Habr and the afs:// Akademie. Each entry links to the published article.

  1. afs:// Akademie9 October 2026DE

    Position 1 bei Google, unsichtbar in ChatGPT: Was die Entkopplung von Ranking und KI-Zitat für SEOs bedeutet

    Feature in the afs:// Akademie magazine.

  2. HackerNoon31 August 2026DE

    Prompt-Schulden: Wie veraltete Anweisungen neue KI-Modelle brechen

    German-language version on HackerNoon.

  3. t3n29 August 2026DE

    Schluss mit ewigem Nachfragen: Wie Feedback-Loops KI-Agenten wirklich selbstständig machen

    Guest article at t3n.

  4. HackerNoon3 August 2026EN

    You Cannot Filter Your Way Out of Prompt Injection

    English-language article on HackerNoon.

  5. Habr24 July 2026EN

    Prompt injection cannot be prevented by a filter. Let's take a closer look at the architecture that isolates untrusted text

    English-language version on Habr.