HiddenLayer, a Gartner-recognized Cool Vendor for AI Security, is the leading provider of Security for AI. Its AISec Platform unifies supply chain security, runtime defense, posture management, and automated red teaming to protect agentic, generative and predictive AI applications. The platform enables organizations across the private and public sectors to reduce risk, ensure compliance, and adopt AI with confidence. Founded by a team of cybersecurity and machine learning veterans, HiddenLayer combines patented technology with industry-leading research to defend against prompt injection, adversarial manipulation, model theft, and supply chain compromise. The company is backed by strategic investors including M12 (Microsoft’s Venture Fund), Moore Strategic Ventures, Booz Allen Ventures, IBM Ventures, and Capital One Ventures.
Executing: the largest vendors. Growing: momentum from 33 to 67. See the map.
No. 10 in this week's Top 40 Movers, up 1 from last week. Highest place 10, 4 weeks on the chart. See the chart.
The product uses Cursor's hooks to evaluate prompts, file reads, tool calls and MCP activity against policy.
HiddenLayer · 5 Nov 2026 · 1 source · Vendor sources onlyNetRise used HiddenLayer to discover AI assets, assess risks, test adversarial resilience, and monitor production systems.
HiddenLayer · 19 Oct 2026 · 1 source · Vendor sources onlyHiddenLayerEverything we recorded in the last 180 days.
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