David Ratner

David Ratner

David Ratner is CEO of HYAS and has extensive experience scaling, growing, and exiting venture-backed, private-equity, and public software companies.

Using Proactive Intelligence Against Adversary Infrastructure

Organizations cannot and will never keep bad actors from breaching their perimeter: They’ll always...

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A Recap of Cybersecurity in 2023 and What’s Ahead for 2024

With high-profile breaches in the news across the world and increasingly sophisticated threats,...

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What Human Anatomy Can Teach Us About Cybersecurity

If you know me, you know that I love analogies. I find that they not only help people understand...

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What Is Adversary Infrastructure?

Chasing Command-and-Control When companies and organizations started initially trying to determine...

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10 Cybersecurity Trends That Emerged in 2023

Our digital world never stands still. How we do business and interact with each other is evolving...

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But It Runs Really Fast

My uncle ran an advertising agency a long time ago, but I still remember one of his impactful ads....

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Elevate Your Threat Hunting with JARM

The Evolving Cyber Threat Landscape We live in a world today where nefarious actors are...

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The Secret to Cybersecurity Lies in Interrupting Causation Chains

Cybersecurity has never been more critical. The frequency and scope of cyberattacks like...

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Critical Infrastructure Attacks: New Rules, New Game

Critical infrastructure lacking proper protection leaves itself open to a greater number of...

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Cyber Adversary Infrastructure Explained

Cyber threat actors rely on infrastructure hidden to most people not looking for it. Revealing such...

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Reflections on third-party validation of HYAS capabilties

It was the summer of 2019, and I spent an hour walking around downtown Los Altos in Silicon Valley...

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HYAS Heads into RSA with Strong Momentum and Plenty of Exciting News

I had the privilege to join HYAS as CEO in 2019 shortly after M12 led its Series A investment in...

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