Publications & Analysis

    Discover my analysis and thoughts on open-source intelligence, strategic monitoring and competitive intelligence.

    OSINT
    17 min

    Teaching OSINT differently: the live investigation

    OSINT teaching still often rests on a succession of modules devoted to search engines, social networks, archives or specialised tools. An effective way to pass on techniques, but one that poorly reflects the reality of an investigation — made of uncertainty, hypotheses and successive changes of direction. Presented at the European IAFIE conference, this paper proposes a different teaching approach: placing the investigation itself at the centre of learning, through a real case handled live.

    14 September 2026
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    OSINT
    5 min

    How should we train OSINT analysts?

    After several years teaching OSINT, I have reshaped my approach: moving away from modular teaching (methodology, search engines, archives and so on) towards learning built around managing uncertainty, using a real due diligence case. Because training an analyst capable of running an investigation is not just about mastering tools: they must learn to reason without knowing where the answer lies, or even whether it exists at all.

    26 August 2026
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    OSINT
    5 min

    Did XDDL use the Epsilon username? What this hypothesis tells us about investigative method

    France's most wanted fugitive may have used the username Epsilon on a forum. Testing this hypothesis is an opportunity to revisit investigative methodology.

    6 July 2026
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    OSINT
    7 min

    OSINT and economic intelligence

    Through two examples of assignments, this article shows concretely how OSINT fits into the work of an economic intelligence firm.

    2 October 2025
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    OSINT
    5 min

    A Few Tips for Building a (Good) CTF

    CTFs are a fun way to improve your OSINT skills. For a successful challenge, the design phase is essential and rests on several pillars that I would like to set out.

    2 October 2025
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    OSINT
    5 min

    Method before tools

    As investigative tools proliferate, it is worth remembering that OSINT is, above all, a matter of method and mindset.

    1 October 2025
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