SO's Substack alternatives: newsletters like it

24 newsletters in the NewsletterFIT index cover the same topics as SO's Substack (phishing, email security and social engineering). The closest matches are KHIPU Newsletter, ON SURVIVAL and Simply Put by Ed Elson. They are ranked by how many topics they share with it, then by publicly shown subscribers.

Updated Nov 7, 2026 · ranked by shared topics, then publicly shown subscribers · methodology

About SO's Substack

Helping freelancers, founders, and small teams outsmart email scammers—one inbox at a time.

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  1. 1

    LinkedInEvery two weeks · last post 16 days ago

    Keep up to date with the latest news!

    Likely audience: IT security professionals

    2 shared topics

  2. 2

    SubstackSeveral times a week · last post 13 days ago

    Survival in the Digital Age. Exploring self-reliance, resilience, and navigating uncertainty in an increasingly complex world. Survival isn’t hiding. It’s outsmarting the collapse. This is the launch pad!

    Likely audience: Individuals concerned about personal financial security

    2 shared topics

  3. 3
    Simply Put by Ed Elson53K subscribers

    SubstackEvery two weeks · last post 10 days ago

    A newsletter about business and tech, from the host of Prof G Markets. Out every Tuesday.

    Likely audience: financial analysts

    1 shared topic

  4. 4
    The Pulse43K subscribers

    SubstackMonthly or less · last post 6 days ago

    From recent posts: The Pulse publishes investigative reports on financial fraud, government secrecy, and public health controversies, including articles on JPMorgan Chase's role in Epstein's crimes, Pentagon UFO data suppression, and…

    Likely audience: Investigative journalism readers

    1 shared topic

  5. 5
    HardwareSavvy24K subscribers

    SubstackWeekly · last post 4 days ago

    Enter your email to join and watch. Keeping everyday people safe and confident with technology.

    Likely audience: Cybersecurity professionals

    1 shared topic

  6. 6
    Sporting Intelligence15K subscribers

    SubstackWeekly · last post 10 days ago

    Following the money, uncovering corruption, and diving into the data to tell the stories that matter.

    Likely audience: Football fans

    1 shared topic

  7. 7

    SubstackSeveral times a week · last post 5 days ago

    From recent posts: Provoked with Dr. Todd Kashdan publishes a rotating mix of community call transcripts, essays on philosophy and neuroscience, and sociological observations on social trends. The content targets readers interested in…

    Likely audience: relationship enthusiasts

    1 shared topic

  8. 8

    SubstackWeekly · last post 8 days ago

    From recent posts: Miri’s Massive Missives is a UK-focused culture publication that publishes opinion essays, film analysis, and audio critiques on topics ranging from family structure and conspiracy theories to education policy and…

    Likely audience: Conspiracy theory enthusiasts

    1 shared topic

  9. 9
    The Curious Mind8K subscribers

    SubstackWeekly · last post 7 days ago

    Likely audience: Risk managers and compliance officers

    1 shared topic

  10. 10
    The Trumpland Diary8K subscribers

    SubstackMonthly or less · last post 30 days ago

    Deep-dive investigative journalism with lots of snark from a former Mar A Lago pool boy.

    Likely audience: Political observers

    1 shared topic

  11. 11
    1100 Pennsylvania4K subscribers

    SubstackMonthly or less · last post 50 days ago

    "If Zach Everson writes it, we need to read it." ­- Heather Cox Richardson

    Likely audience: financial journalists

    1 shared topic

  12. 12
    Shrivu’s Substack3K subscribers

    SubstackMonthly or less · last post 59 days ago

    From recent posts: Shrivu's Substack publishes technical essays on AI agent security, LLM probing, and software factory architectures for developers and engineers. The content focuses on practical implementation details, including…

    Likely audience: Product managers

    1 shared topic

  13. 13
    Digital-Mark1K subscribers

    SubstackMonthly or less · last post 47 days ago

    Cybersecurity for your career and your life. Monthly strategy that bridge the gap between enterprise-grade GRC strategy and elite personal digital defense.

    Likely audience: freelancers

    1 shared topic

  14. 14

    SubstackSeveral times a week · last post yesterday

    From recent posts: The Tony Freda Show publishes a weekly mix of podcast episodes and articles covering cult psychology, mental health, conspiracy theories, and political speculation. The content targets readers interested in critical…

    Likely audience: mental health professionals

    1 shared topic

  15. 15

    SubstackEvery two weeks · last post 2 days ago

    Where real-time building with AI comes to life. Abnormally.

    Likely audience: Email security engineers

    1 shared topic

  16. 16

    LinkedInEvery two weeks · last post 19 days ago

    Cyber Press Newsletter delivers daily updates on cybersecurity, breaches, hacking, ransomware, malware, and data lea

    Likely audience: Security engineers

    1 shared topic

  17. 17

    SubstackEvery two weeks · last post 15 days ago

    Free scam prevention newsletter with digestible articles on fraud, phishing, and online safety. Protect yourself with Scruteon's plain-language guides.

    Likely audience: Online shoppers

    1 shared topic

  18. 18

    LinkedInEvery two weeks · last post 22 days ago

    Stay updated with the latest in cybersecurity trends, insights, and best practices by subscribing to our newsletter.

    Likely audience: General consumers

    1 shared topic

  19. 19

    LinkedInEvery two weeks · last post 18 days ago

    Storytelling & Sarcasm. Cyber & AI. Entertaining people as they learn to stop Cyber Crime.

    Likely audience: SMB security leaders

    1 shared topic

  20. 20

    LinkedInEvery two weeks · last post 17 days ago

    Real career insights, in-demand roles, and skills that get you hired - straight to the point.

    Likely audience: job seekers

    1 shared topic

  21. 21

    LinkedInEvery two weeks · last post 16 days ago

    Jumpstart Tips on Reinventing your Life , Business and Industry through Tech AI ,Human Behaviour, Earnings Attitude

    Likely audience: Cybersecurity professionals

    1 shared topic

  22. 22

    LinkedInEvery two weeks · last post 23 days ago

    A pop of credit union news analysis and good news with a dash of irreverence.

    Likely audience: Credit union executives

    1 shared topic

  23. 23

    LinkedInEvery two weeks · last post 15 days ago

    For Professionals Ready to Grow, Pivot, or Lead With Purpose

    Likely audience: HR professionals

    1 shared topic

  24. 24

    LinkedInMonthly or less · last post 18 days ago

    Understanding DMARC - get tips & insights to further your knowledge and protect your organization from impersonation.

    Likely audience: IT administrators

    1 shared topic

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