HiddenLayer invests in Delta-v Capital
Funding Provisional 90% confidence first seen
HiddenLayer raised a $100 million Series B to sell AI security tools for models, agents, and workflows, with the round led by Delta-v Capital and participation from Microsoft’s M12, Morgan Stanley and others. The article says HiddenLayer will use the funding to expand sales and distribution and to extend its runtime and supply-chain security capabilities, including coverage for prompt injection, agent manipulation, and malicious tool use. This matters because it indicates continued institutional backing for AI security as enterprises scale production AI deployments.
The deal
HiddenLayer $100 million Series B · announced 2 Sep 2026
Investors Delta-v Capital Microsoft M12 Morgan Stanley Microsoft’s M12 M12
Deal terms as reported in the coverage below.
Decision brief
- What changed
- HiddenLayer raised a $100 million Series B led by Delta-v Capital, with participation from Microsoft’s M12, Morgan Stanley, and others, to sell AI security tools for models, agents, and workflows. The company said it will use the funding to expand sales and distribution and to extend runtime and supply-chain security capabilities, including protection against prompt injection, agent manipulation, and malicious tool use.
- Why it matters
- This signals that investors are continuing to fund AI-specific security infrastructure as enterprises move more AI systems into production. For business leaders, the round suggests that the vendor landscape for securing models, agents, and AI workflows is maturing beyond general cybersecurity and increasingly targeting operational risks in deployed AI systems. It also indicates that buyers may see broader commercial availability and product expansion from HiddenLayer in areas tied to runtime protection and AI supply-chain security.
- Evidence
- The event is supported by a single TechCrunch report stating that HiddenLayer raised a $100 million Series B led by Delta-v Capital with participation from M12, Morgan Stanley, and others. The same report says the company plans to use the capital to grow sales and distribution and expand protections for prompt injection, agent manipulation, and malicious tool use.
- What remains uncertain
- The coverage does not verify HiddenLayer’s revenue traction, customer adoption, product efficacy, or how quickly the new capabilities will ship. It also does not establish whether this funding reflects broad enterprise purchasing behavior across the market or primarily investor confidence in one vendor.
- Monitor next
- Watch for customer adoption signals such as major enterprise deployments, product releases for agent/runtime security, or disclosed partnerships with cloud and model-platform providers.
Analytical support, not advice — assumptions and open questions stated above.