Helmet Security Raises $9 Million in Seed Round

Helmet Security Raises $9 Million in Seed Round

Helmet Security, a Washington, DC–based platform purpose-built to secure agentic AI communications, has raised $9 million in Seed funding.

The round was backed by SYN Ventures and WhiteRabbit Ventures.

SYN Ventures is a venture capital firm specializing in early-stage investments in cybersecurity, industrial security, national defense, and data privacy. The firm manages over $600 million across multiple funds and supports founders with capital, operational scaling, and go-to-market strategies tailored to security-focused innovation.

WhiteRabbit Ventures is an early-stage venture studio and venture capital firm, primarily based in San Francisco, that specializes in building and funding next-generation cybersecurity companies. The firm actively identifies market problems, assembles founding teams, and provides resources and capital to accelerate growth, with a focus on emerging technologies such as AI agents and spatial computing.

The company will use the funding to accelerate platform development and scale GTM operations.

Founded by Fred Kneip and Kaushik Shanadi, Helmet Security is an agentic AI security platform designed to secure AI agents and infrastructure behind agentic AI communications. Developed in collaboration with Fortune 500 CISOs, Helmet provides enterprises with continuous discovery, monitoring, and policy enforcement across MCP connections.

Funding Details

Company: Helmet Security, Inc.

Raised: $9.0M

Round: Seed

Funding Date: December 2025

Lead Investor: SYN Ventures

Additional Investors: WhiteRabbit Ventures

Company Website: https://www.helmet.sh/

Software Category: AI Security / Agentic AI Infrastructure Security