Resources
The Latest Cybersecurity Insights
Explore the latest research, expertise, and frontline innovation from our elite team of OnDefenders.
The OnDefend Difference: Uncovering Hidden Risk While Outpacing the AI-Adversary
OnDefend goes beyond traditional, static, episodic penetration testing to uncover hidden risk, map real attack paths, and help your team fix the choke points that drive the biggest impact most efficiently.
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Most Red Teams Stop Too Early: Here’s What They’re Missing
Discover how a OnDefend's red team works together to find hidden attack paths, build on each other’s discoveries, and expose zero-day critical vulnerabilities.
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10 Years of OnDefend: CEO Chris Freedman on a Decade of Building in Cybersecurity
Ten years ago, OnDefend made a bet that most cybersecurity startups don't – to build the company without outside investors calling the shots. A decade, a shelf of awards, and a client list that includes some of the country’s most successful enterprises later, that bet has paid off.
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OnDefend’s Aaron Rosenmund Discusses Cyberattacks on U.S. Water Systems with CNN Newsroom
OnDefend's Aaron Rosenmund joined CNN to break down the recent wave of coordinated cyberattacks on U.S. water systems, why so much critical infrastructure is still exposed to the internet, and what it will actually take to close the gap.
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OnDefend Ranks No. 2 on Business Journal’s 2026 Fast 50 List
OnDefend posted average annual revenue growth of 214.84% from 2023 to 2025, one of the highest growth rates on this year's list, landing at the number two spot.
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What AI Changes About Source Code Penetration Testing
Source code penetration testing has always been the most thorough form of security testing there is, and candidly also the slowest. That’s why many organizations save it for their highest-stakes systems instead of running it everywhere, but that’s starting to change.
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OnDefend Named No. 686 on the 2026 Inc. 5000 List
OnDefend ranks in the top 14% in the country for three-year revenue growth as it marks a decade in business and the launch of the Continuous Attack Path Elimination program.
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Inside Cyber Shield: Building the Largest Unclassified Cyber Exercise in the U.S.
OnDefend's Aaron Rosenmund leads the Red Team behind the Cyber Shield exercise. Here's how that offensive tradecraft shapes the work we do for clients.
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Cybersecurity Risk Reduction: The 90/10 Rule
The 90/10 mindset suggests a fresh perspective on cybersecurity risk reduction.
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How OnDefend Uses AI Across the Offensive Workflow
We asked our in-house offensive security team how they're incorporating AI into their everyday work process. The response? Their saving double digit percentages every time.
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