kleiber.me / Ingo Kleiber

I have been working with AI – Machine Learning – and more recently, Large Language Models for quite some time now.

In 2020, I developed TodayIngoLearned (blog post), a personal knowledge and learning management system based on the idea of storing the things I learn during the day.

Have you ever wondered if (and how) a text (in the sense of a string of characters) might be watermarked to verify its authenticity or origin?

2025, so far, has been the year of Vibe Coding after Andrej Karpathy coined the term in February.

A couple of days ago, OpenAI launched GPT-5 to the public.

In this article, I will briefly discuss the 7Artisans APS-C 18mm II F6.3 Ufo, a small, cheap, and all-manual prime lens that’s available for all major mounts.

Evil-GPT v2 is a subscriber-only room on TryHackMe created by hadrian3689 and h4sh3m00.

This article has originally been published in Hakin9 Vol. 20, No. 01 (February 2025).

Using (generative) AI systems, particularly chatbots such as ChatGPT, Gemini, or Perplexity, for search is becoming more and more common.

Working as a help desk supporter is one of the most common routes into more advanced IT or cyber roles.