Inside Cybersecurity alternatives: newsletters like it

24 newsletters in the NewsletterFIT index cover the same topics as Inside Cybersecurity (AI in cybersecurity, Machine learning attacks and Security architecture). The closest matches are Packt SecPro , Resilient Cyber and Sintetika by Imagen. They are ranked by how many topics they share with it, then by publicly shown subscribers.

Updated Nov 14, 2026 · ranked by shared topics, then publicly shown subscribers · methodology

About Inside Cybersecurity

Conversations and perspectives on the technologies, challenges, and decisions shaping cybersecurity, from the people building its future.

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  1. 1
    Packt SecPro 85K subscribers

    SubstackWeekly · last post 7 days ago

    From recent posts: Packt SecPro publishes weekly cybersecurity articles, podcast episodes, and newsletter reviews covering topics such as ransomware exploits, AI-driven SOC architecture, and cloud infrastructure vulnerabilities. The…

    Likely audience: CISOs

    1 shared topic

  2. 2
    Resilient Cyber22K subscribers

    SubstackSeveral times a week · last post 11 days ago

    From recent posts: Resilient Cyber publishes a hybrid newsletter and podcast series focused on AI-driven cybersecurity, vulnerability management, and identity verification. The content features interviews with industry leaders alongside…

    Likely audience: CISOs

    1 shared topic

  3. 3
    Sintetika by Imagen12K subscribers

    SubstackWeekly · last post 17 days ago

    From recent posts: Sintetika by Imagen publishes weekly articles on AI ethics, safety, and infrastructure impacts for a tech-savvy audience. The content ranges from deep dives into university curriculum reform and data center water…

    Likely audience: AI researchers

    1 shared topic

  4. 4
    Packt Cyber_AI8K subscribers

    SubstackWeekly · last post 16 days ago

    From recent posts: Packt Cyber_AI publishes technical articles on AI security, covering autonomous agent incidents, LLM security testing tools, and threat intelligence automation alongside broader cybersecurity topics like Zero Trust and…

    Likely audience: Cybersecurity professionals

    1 shared topic

  5. 5

    SubstackWeekly · last post 12 days ago

    Likely audience: cybersecurity professionals

    1 shared topic

  6. 6
    Frankly Speaking5K subscribers

    SubstackEvery two weeks · last post 16 days ago

    Security engineer. Recovering VC and academic sharing random thoughts on security.

    Likely audience: CTOs

    1 shared topic

  7. 7
    Calif Newsletter4K subscribers

    SubstackEvery two weeks · last post Sep 11, 2026

    From recent posts: Calif Newsletter publishes in-depth articles on AI-driven cybersecurity threats, Android kernel exploitation, and macOS vulnerabilities. The publication targets security researchers and industry professionals with…

    Likely audience: Cybersecurity professionals

    1 shared topic

  8. 8

    SubstackMonthly or less · last post 18 days ago

    From recent posts: Cybersecurity & Business publishes in-depth articles on AI integration, European market dynamics, and emerging threat intelligence strategies for security professionals and industry leaders. The publication covers…

    Likely audience: Venture capitalists

    1 shared topic

  9. 9
    Decoded Security1K subscribers

    SubstackEvery two weeks · last post 29 days ago

    Cybersecurity is not too hard. You are just studying the wrong things. Plain-English cybersecurity from someone who runs it for a living, not just writes about it.

    Likely audience: Security analysts

    1 shared topic

  10. 10
    Risk to Live1K subscribers

    SubstackMonthly or less · last post 43 days ago

    From recent posts: Risk to Live publishes a mixed-format newsletter covering cybersecurity and personal finance. Recent issues examine how generative AI accelerates the exploitation of cybersecurity vulnerabilities in an attacker-defender…

    Likely audience: Cybersecurity professionals

    1 shared topic

  11. 11

    beehiivSeveral times a week · last post 11 days ago

    From recent posts: Comparitech Stack Report publishes weekly cybersecurity intelligence covering ransomware trends, AI security applications, and regulatory updates for operational technology and K-12 sectors. The newsletter blends threat…

    Likely audience: Cybersecurity professionals

    1 shared topic

  12. 12

    beehiivWeekly · last post yesterday

    From recent posts: This publication delivers cybersecurity leadership insights, including event promotions, expert interviews on automation and AI, and strategic discussions on infrastructure defense and zero trust architecture.

    Likely audience: CISOs and security leaders

    1 shared topic

  13. 13

    LinkedInEvery two weeks · last post 30 days ago

    Daily stories from the world of information security.

    Likely audience: Security engineers

    1 shared topic

  14. 14

    LinkedInEvery two weeks · last post 23 days ago

    Global Tech Council

    Likely audience: Cybersecurity professionals

    1 shared topic

  15. 15

    LinkedInEvery two weeks · last post 24 days ago

    Identity and Biometrics moves too fast. We want to help you place Identity at the Core of your Business.

    Likely audience: Fraud prevention specialists

    1 shared topic

  16. 16

    LinkedInEvery two weeks · last post 23 days ago

    Get exclusive insights on the latest information about cybercrime and its solution.

    Likely audience: IT security professionals

    1 shared topic

  17. 17

    LinkedInEvery two weeks · last post 23 days ago

    Connect with growth enthusiasts. Explore possibilities, share experiences, and chart a course for success together!

    Likely audience: Security engineers

    1 shared topic

  18. 18

    LinkedInEvery two weeks · last post 22 days ago

    BEAM Insights shares the latest cybersecurity insights, expert analyses, and tips to keep you ahead of digital threats.

    Likely audience: Cybersecurity professionals

    1 shared topic

  19. 19

    LinkedInEvery two weeks · last post 22 days ago

    Our Weekly Intelligence Snapshot covers Cyber and Geopolitical findings observed over a seven-day calendar period.

    Likely audience: Cybersecurity professionals

    1 shared topic

  20. 20

    LinkedInEvery two weeks · last post 22 days ago

    Notes on security, product, and what’s next

    Likely audience: CISOs

    1 shared topic

  21. 21

    LinkedInEvery two weeks · last post 26 days ago

    Security Journal Americas delivers key information and insights from the Americas security community

    Likely audience: Security engineers

    1 shared topic

  22. 22

    LinkedInEvery two weeks · last post 22 days ago

    ServiceNow Nexus: Key Insights by Sotiotech delivers top trends, expert tips, and innovations in ServiceNow

    Likely audience: CIOs

    1 shared topic

  23. 23

    SubstackEvery two weeks · last post 21 days ago

    Likely audience: CISOs

    1 shared topic

  24. 24

    LinkedInEvery two weeks · last post 23 days ago

    The objective of this newsletter is to bring together some interesting readings on the Security Operations Center (SOC).

    Likely audience: Security Operations Center (SOC) analysts

    1 shared topic

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