AI in cybersecurity newsletters

NewsletterFIT tracks 12 newsletters that cover AI in cybersecurity as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Packt SecPro (85K), Venture in Security (22K) and Packt Cyber_AI (8K).

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

  1. 1
    Packt SecPro 85K subscribers

    Substack Weekly · last post 20 days ago

    Likely audience: CISOs

  2. 2
    Venture in Security 22K subscribers

    Substack Monthly or less · last post 22 days ago

    Likely audience: Cybersecurity founders

  3. 3
    Packt Cyber_AI 8K subscribers

    Substack Every two weeks · last post 22 days ago

    Likely audience: Security engineers

  4. 4
    Frankly Speaking 5K subscribers

    Substack Every two weeks · last post 28 days ago

    Likely audience: CTOs

  5. 5
    Calif Newsletter 4K subscribers

    Substack Every two weeks · last post 48 days ago

    Likely audience: Cybersecurity professionals

  6. 6
    Cybersecurity & Business 3K subscribers

    Substack Monthly or less · last post 49 days ago

    Likely audience: Venture capitalists

  7. 7
    Comparitech Stack Report —

    beehiiv Weekly · last post 20 days ago

    Likely audience: Cybersecurity professionals

  8. 8
    09-23-20 - 30 Techniques to Align Security with What DevOps Already Loves —

    beehiiv Weekly · last post 14 days ago

    Likely audience: CISOs and security leaders

  9. 9
    Cybersecurity Headlines —

    LinkedIn Every two weeks · last post 15 days ago

    Likely audience: Security engineers

  10. 10
    BEAM Insights —

    LinkedIn Every two weeks · last post 7 days ago

    Likely audience: Cybersecurity professionals

  11. 11
    Weekly Intelligence Snapshot —

    LinkedIn Every two weeks · last post 7 days ago

    Likely audience: Cybersecurity professionals

  12. 12
    The Node —

    LinkedIn Every two weeks · last post 7 days ago

    Likely audience: Security engineers

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