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HiddenLayer invests in Morgan Stanley

Funding Provisional 86% confidence first seen

HiddenLayer raised a $100 million Series B round led by Delta-v Capital, with participation from Morgan Stanley among other backers including Microsoft’s M12 and Ten Eleven Ventures. The article says HiddenLayer will use the funding to expand sales and distribution and to extend its runtime and supply-chain security products toward threats like prompt injection, agent manipulation, and malicious tool use. This matters as AI deployments grow and enterprises seek dedicated security for models, agents, and workflows.

HiddenLayer Morgan Stanley Booz Allen Hamilton Delta-v Capital M12 Microsoft Ten Eleven Ventures prompt injection

The deal

HiddenLayer $100 million Series B · announced 2 Sep 2026

Investors Morgan Stanley Delta-v Capital M12 Microsoft M12 Microsoft’s M12

Deal terms as reported in the coverage below.

Source coverage

HiddenLayer nabs $100M as enterprises rush to secure their AI deployments TechCrunch independent

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