CISO Corner alternatives: newsletters like it

24 newsletters in the NewsletterFIT index cover the same topics as CISO Corner (Prompt Injection, AI Agent Security and Adversarial Machine Learning). The closest matches are NeoSage, World of AI and Startup Digest. They are ranked by how many topics they share with it, then by publicly shown subscribers.

Updated Nov 6, 2026 · ranked by shared topics, then publicly shown subscribers · methodology

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CISO Corner is a weekly newsletter designed specifically for Chief Information Security Officers (CISOs).

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  1. 1
    NeoSage10K subscribers

    Substacklast post Jul 13, 2026

    From recent posts: NeoSage publishes technical articles on AI agent security, context engineering, and production system architecture for software engineers and AI practitioners. The content focuses on practical engineering challenges…

    Likely audience: CTOs

    2 shared topics

  2. 2
    World of AI1.5M+ subscribers

    beehiivSeveral times a week · last post 3 days ago

    World of Ai is here to push the creative use of Artificial Intelligence (AI) applications for simple day-to-day tasks!

    Likely audience: ML engineers

    1 shared topic

  3. 3
    Startup Digest200K subscribers

    SubstackEvery two weeks · last post 38 days ago

    From recent posts: Startup Digest publishes in-depth analysis on AI infrastructure, venture capital trends, and SaaS pricing shifts for founders and investors navigating the current tech landscape. The publication mixes analytical essays…

    Likely audience: Product managers

    1 shared topic

  4. 4
    Tech Scoop154K subscribers

    SubstackWeekly · last post 7 days ago

    From recent posts: Tech Scoop publishes weekly technical articles on AI agent infrastructure, software architecture, and LLM optimization for developers and engineers. The publication covers topics ranging from GitHub Copilot's Rust…

    Likely audience: AI infrastructure engineers

    1 shared topic

  5. 5
    Adaline Labs100K subscribers

    SubstackMonthly or less · last post Aug 22, 2026

    From recent posts: Adaline Labs publishes in-depth articles on AI agent architecture, loop engineering, and product leadership strategies for technology professionals. The publication focuses on technical frameworks and operational…

    Likely audience: ML engineers

    1 shared topic

  6. 6
    Big Data Energy⚡️43K subscribers

    SubstackMonthly or less · last post 58 days ago

    From recent posts: Big Data Energy publishes analytical essays on data and AI strategy, covering AI token consumption metrics, data readiness, governance, prompt injection security, and building AI into the data layer. It mixes those with…

    Likely audience: Data engineers

    1 shared topic

  7. 7
    Deepnote's Substack35K subscribers

    SubstackEvery two weeks · last post 15 days ago

    From recent posts: Deepnote's Substack publishes weekly technology articles focused on AI agent security, frontier model releases, and industry consolidation. The publication targets developers and industry professionals interested in the…

    Likely audience: AI security engineers

    1 shared topic

  8. 8
    Packt Deep Engineering34K subscribers

    SubstackSeveral times a week · last post 7 days ago

    From recent posts: Packt Deep Engineering publishes technical deep dives and interviews focused on AI agent reliability, governance, and workflow alignment for engineering leaders and practitioners. The publication consistently covers…

    Likely audience: Software architects

    1 shared topic

  9. 9

    SubstackSeveral times a week · last post 4 days ago

    Cybersecurity Research and News. Please Join us! Current blog updates and analysis of cyber attacks and deep dive podcasts.

    Likely audience: Cybersecurity professionals

    1 shared topic

  10. 10

    SubstackSeveral times a week · last post 4 days ago

    From recent posts: Entra.News publishes weekly technical roundups, interviews, and podcast episodes focused on Microsoft Entra ID, covering topics like Global Secure Access, passkeys, and workload identity. The publication targets IT…

    Likely audience: Microsoft Entra administrators

    1 shared topic

  11. 11
    Sadie’s Newsletter18K subscribers

    SubstackEvery two weeks · last post 8 days ago

    Dive into curated insights on AI, entrepreneurship, and personal growth, directly answering your burning questions. Paid subscribers enjoy weekly posts packed with valuable content, while non-paid subscribers get a…

    Likely audience: HR professionals

    1 shared topic

  12. 12

    SubstackEvery two weeks · last post 21 days ago

    We deliver clear, concise, and in-depth analysis of the rapidly evolving cybersecurity landscape—built for cyber leaders, operators, and investors.

    Likely audience: CISOs

    1 shared topic

  13. 13

    SubstackEvery two weeks · last post 7 days ago

    The latest news and how-tos in detection engineering

    Likely audience: Detection engineers

    1 shared topic

  14. 14

    SubstackWeekly · last post 10 days ago

    Real stories and practical advice from my 25+ year career in cybersecurity and AI - delivered each week so you can learn and grow your tech career faster than I did. Stay up to date in Tech, Cybersecurity, and AI.

    Likely audience: Cybersecurity professionals

    1 shared topic

  15. 15
    Rod’s Blog10K subscribers

    SubstackDaily · last post 2 days ago

    Microsoft Security and AI. This is not an official Microsoft blog.

    Likely audience: IT administrators

    1 shared topic

  16. 16
    Leadership in Change8K subscribers

    SubstackSeveral times a week · last post 3 days ago

    AI is everywhere. Judgment is scarce. The weekly newsletter for nonprofit and SMB leaders who are adopting AI without outsourcing their judgment to it. Tested prompts, real frameworks, and what to do Monday morning.

    Likely audience: Operations leaders

    1 shared topic

  17. 17

    SubstackWeekly · last post 4 days ago

    From recent posts: This publication delivers career development advice and industry analysis for cybersecurity professionals navigating the transition to AI-driven security roles. Content includes practical guides on building portfolios…

    Likely audience: Cybersecurity professionals

    1 shared topic

  18. 18
    Samaipata Insights8K subscribers

    SubstackMonthly or less · last post 43 days ago

    Welcome to Samaipata Insights! Here, we’ll share our journey in early-stage investing, including views on market trends, advice for founders, insights on our thesis and updates on our latest deals.

    Likely audience: AI security engineers

    1 shared topic

  19. 19

    SubstackEvery two weeks · last post 9 days ago

    Cybersecurity Club is a community dedicated to learning, networking, and connecting with cybersecurity professionals and enthusiasts.

    Likely audience: Compliance Officers

    1 shared topic

  20. 20
    GPToast5K subscribers

    SubstackSeveral times a week · last post yesterday

    La newsletter gratuite pour comprendre et utiliser l'IA en moins de 5 minutes chaque matin.

    Likely audience: Security and Compliance Officers

    1 shared topic

  21. 21

    SubstackEvery two weeks · last post 2 days ago

    From recent posts: ToxSec publishes technical articles analyzing AI agent security risks, automation accountability, and evolving threats like AI-powered phishing and deepfakes. The content targets developers and security professionals…

    Likely audience: CTOs

    1 shared topic

  22. 22
    WTF In Tech3K subscribers

    SubstackWeekly · last post 8 days ago

    I’m Bhavishya, a Senior GenAI Engineer. I write about LLMs, Retrieval-Augmented Generation (RAG), interview preparation, system design, and other core concepts in AI/ML and Gen AI in a way that's easy to understand and…

    Likely audience: Security engineers

    1 shared topic

  23. 23
    O'Reilly Radar1K subscribers

    SubstackEvery two weeks · last post 24 days ago

    From recent posts: O'Reilly Radar publishes weekly technical articles and podcast episodes focused on AI agents, LLM fine-tuning, and infrastructure. The publication targets developers and engineers seeking practical guides on building…

    Likely audience: AI researchers

    1 shared topic

  24. 24
    RockCyber Musings1K subscribers

    SubstackEvery two weeks · last post 23 days ago

    From recent posts: RockCyber Musings publishes weekly wrapups and deep-dive analyses on AI security incidents, regulatory developments, and statistical evaluation methods for industry professionals. The publication focuses on technical…

    Likely audience: Security engineers

    1 shared topic

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