Security operations newsletters

NewsletterFIT tracks 5 newsletters that cover Security operations as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Venture in Security (22K), Packt Cyber_AI (8K) and Decoded Security (1K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Venture in Security22K subscribers

    SubstackMonthly or less · last post 23 days ago

    Likely audience: Cybersecurity founders

  2. 2
    Packt Cyber_AI8K subscribers

    SubstackEvery two weeks · last post 23 days ago

    Likely audience: Security engineers

  3. 3
    Decoded Security1K subscribers

    SubstackEvery two weeks · last post 15 days ago

    Likely audience: Security analysts

  4. 4
    Founder Catalyst1K subscribers

    SubstackMonthly or less · last post 57 days ago

    Likely audience: CTOs

  5. 5
    THE CISO EDGE—

    LinkedInEvery two weeks · last post 8 days ago

    Likely audience: Security leaders

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