Insights
The Security Industry
Richard Stiennon's analysis of the cybersecurity market — funding, M&A, emerging categories, and what the data from the IT-Harvest Dashboard actually says.
ALL of Industry Signal Comes from Startups
Next-gen industry analysis
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17 More AI Security Vendors
An addendum to Guardians of the Machine Age.
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More Mythos and Mozilla
I have been using Mozilla based products continuously since 1993.
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We Are Doing This
Mozilla shows the way
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Claude Cowork Wrote this
15 more AI Security Vendors
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Update #3 to Guardians of the Machine Age
Ten additional vendors
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Ten New AI Security Vendors
In this post we continue to pay down the debt owed to readers of Guardians of the Machine Age: Why AI Security Will Define the Future of Digital Defense. I promised to update the list of vendors on my Substack.
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Mythos Preview Is a Break-Glass Moment
Prepare for disruption.
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Tracking the new vendors in AI Security
37 since March 11, 2026
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Guardians of the Machine Age Published
Why AI Security Will Define the Future of Digital Defense
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Announcing the 2026 Cyber 150
For the second year running we have used the data in the IT-Harvest Dashboard to identify the top 150 midsize cybersecurity companies.
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Something Big Is Happening in Cybersecurity
When Vint Cerf, the father of the internet, posts a link with “Thought-provoking read on AI Impact.,” you read it.
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Momentum Cyber's Almanac
After a four year hiatus Momentum Cyber, the industry’s top investment banking firm, has published its Cybersecurity Almanac again.
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Wrapping the Year for the Cyber 150
The first awards for the IT-Harvest Cyber 150 went out last January. Let’s check in to see how they did.
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Good News, Bad News
Regarding my book journey
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Portfolio Analysis with the IT-Harvest Dashboard
A New Use Case
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Of Long Tails and Stalking Horses
What Are Analyst Firms Going to Do?
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Organizing by Domains
14 Security Functions, each with a Deputy CISO
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Adding Security Stack Analysis to the IT-Harvest Dashboard
Biggest upgrade to-date
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Mapping 11,326 products to NIST CSF 2.0
At IT-Harvest we set out to harvest all the data on the cybersecurity industry and put it in a searchable database.
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State of Cyber Q3 2025
$12.9 billion in funding set to surpass 2024.
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State of AI Security
See the accompanying webinar here.
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