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When the Source Attacks Back: Prompt Injection Is Coming for OSINT
AI can help investigators move faster. It can also be manipulated by the sources it reads. This practical guide shows how prompt injection enters OSINT workflows, how to detect hidden instructions in webpages, PDFs and spreadsheets, and how to preserve, test and report the evidence. Includes a hands-on CTF lab with three realistic files to investigate.

Nico Dekens | dutch_osintguy
Aug 3122 min read


OSINT is Still a Thinking Game
I’ve been thinking a lot about why conversations around OSINT feel increasingly shallow, even though the tools we use have never been more powerful. We have more data, automation, dashboards and AI-generated summaries than at any point in the history of intelligence. And yet, when I look at how conclusions are drawn, how confidence is expressed, and how often assumptions go unchallenged, I can’t escape a deeply uncomfortable feeling: We are collecting more than ever and thin

Nico Dekens | dutch_osintguy
Feb 37 min read


OSINT is A State of Mind
Image by Mary Rabun Most true ‘OSINTians’ are members of a small group who go public. They go public on their skills, knowledge and...

Nico Dekens | dutch_osintguy
Sep 28, 20235 min read


Basic OPSEC tips & Tricks for OSINt researchers
Often i get asked if i’ve got some pointers and tools for OPSEC during online investigations. My primary answer would be first: I can’t...

Nico Dekens | dutch_osintguy
Sep 28, 20238 min read
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