Technology2 Sept 2026SEO 801 min read

Analysis: HiddenLayer nabs $100M as enterprises rush to secure their AI deployments

When AI security startup HiddenLayer raised its $50 million Series A three years ago, one of the big questions in the space was whether the AI threats the star…

When AI security startup HiddenLayer raised its $50 million Series A three years ago, one of the big questions in the space was whether the AI threats the startup was protecting against would manifest in enough quantity to make for a real market. As my former colleague Kyle Wiggers noted at the time, it was difficult to pin down real examples of attacks against AI at scale. How quickly things have changed. Security companies are now scrambling to build products that can monitor not just agents…

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