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Phishing Campaign Identified: How OSINT Exposed a Real Calendly Link in a Fake Bloomberg Interview invite trough a x.com DM
A targeted phishing campaign used a fake Bloomberg persona, a real Calendly link and a convincing X OAuth flow to pursue people in AI and OSINT. This investigation follows the chain from social engineering to a fake “Twitta” login page, maps the public targeting pattern, and shows how to verify an interview request before it costs you an account.

Nico Dekens | dutch_osintguy
Oct 510 min read


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


What OSINT Really Is - And Why AI Keeps Getting It Wrong
OSINT isn’t about collecting public data, AI already does that better than humans. OSINT is about pressure-testing reality. In digital investigations, organisational security, and business risk, OSINT turns fragmented public signals into defensible understanding. As AI increases visibility but not judgment, OSINT remains a human discipline: questioning sources, timelines, intent, and absence. This article breaks down what OSINT really is, how it’s used, why businesses rely on

Nico Dekens | dutch_osintguy
Dec 22, 20254 min read
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