OSINT newsletters

NewsletterFIT tracks 6 newsletters that cover OSINT as a primary topic, 5 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Digital Digging with Henk van Ess (12K), Hacklido Weekly (9K) and OSINT Updates (9K).

Updated Oct 30, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Digital Digging with Henk van Ess 12K subscribers

    Substack Every two weeks · last post 24 days ago

    Likely audience: OSINT practitioners

  2. 2
    Hacklido Weekly 9K subscribers

    Substack Every two weeks · last post 8 days ago

    Likely audience: Cybersecurity professionals

  3. 3
    OSINT Updates 9K subscribers

    Substack Monthly or less · last post 17 days ago

    Likely audience: OSINT practitioners

  4. 4
    Project OSINT 7K subscribers

    Substack Every two weeks · last post 9 days ago

    Likely audience: OSINT practitioners

  5. 5
    Bullsh*t Hunting 5K subscribers

    Substack Every two weeks · last post 20 days ago

    Likely audience: OSINT practitioners

  6. 6
    OSINT & Analysis by Oliver Alexander 4K subscribers

    Substack last post May 9, 2023

    Likely audience: Maritime security analysts

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