Helmet Security raises $9M to enhance AI communications; backed by SYN Ventures and WhiteRabbit. The funding will help secure MCP communications and support AI connectivity.
Amount Raised
$9 Million
Round Type
Funding Round
WashingtonArtificial IntelligenceSecurityCyber SecurityInvestors
Description
Helmet Security has raised $9 million in capital from SYN Ventures and WhiteRabbit Ventures. The funds will be used to enhance MCP communications security and support the growing infrastructure of agentic AI. The platform aims to continuously monitor AI-to-AI connections, addressing risks that typical security tools overlook. Helmet Security is positioned to lead in the security of evolving AI technologies.
Quick answer
Helmet Security raised $9 Million in a Funding Round round, dated December 4, 2025. Investors: WhiteRabbit Ventures and Syn Ventures. Helmet Security is based in Washington, District Of Columbia, United States.
- How much did Helmet Security raise?
- Helmet Security raised $9 Million in a Funding Round round on December 4, 2025.
- Who invested in Helmet Security?
- WhiteRabbit Ventures and Syn Ventures are named as investors in this round.
- What does Helmet Security do?
- Helmet Security is the first end-to-end security platform built to protect enterprises from rapidly evolving agentic AI communications.
- Where is Helmet Security based and how big is it?
- Helmet Security is based in Washington, District Of Columbia, United States. Fundz records about 3 employees.
Source: Fundz verified event record.
Who else raised in Security and Cyber Security around the same time
Companies in the same sectors as Helmet Security that raised within 45 days of this round, from Fundz verified event records.
- Zepo Intelligence raised $15M (Seed) on January 12, 2026.
- ZAST.AI raised $6M (Pre-Series A) on January 5, 2026.
- Adaptive Security raised $81M (Series B) on December 16, 2025.
- CurlSek raised an undisclosed amount (Angel) on December 15, 2025.
- Cyphlens raised $3.8M (Seed) on December 11, 2025.
- Prime Security raised $20M (Series A) on December 9, 2025.
Who to call at Helmet Security, and when
A new round usually means Helmet Security is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Helmet Security raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Helmet Security, from your own LinkedIn network
Works inside ChatGPT and Claude. Ask who to call at Helmet Security. With Fundz connected, it knows.
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Fundz sees it the moment Helmet Security raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.
Helmet Security raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
145 of these a day, filtered to the companies you pick, with the decision-maker attached.
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