Best AI Agent Security Breaches Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover AI agent security breaches as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Big Data News Weekly (4K).

Updated Nov 13, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Big Data News Weekly4K subscribers

    SubstackMonthly or less · last post 21 days ago

    From recent posts: Big Data News Weekly publishes weekly updates on AI infrastructure, model development, and industry news for technical professionals and developers. The publication mixes technical deep dives on inference engineering…

    Likely audience: Product managers

  2. 2

    SubstackWeekly · last post 8 days ago

    From recent posts: The article debates AI safety risks, arguing that AI does not need consciousness to cause harm and citing breaches involving OpenAI and Hugging Face agents. It warns of potential AI-enabled incidents affecting banks, ho…

    Likely audience: AI safety researchers

  3. 3

    LinkedInEvery two weeks · last post 30 days ago

    Simplifying AI for Business Leaders

    Likely audience: business owners

  4. 4

    SubstackWeekly · last post 12 days ago

    From recent posts: Sherry Heyl publishes essays on AI workplace adoption and organizational design, critiquing corporate mandates, productivity myths, and assumptions about job displacement. The newsletter is for readers interested in how…

    Likely audience: Corporate leaders managing AI rollout

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