TL;DR: Multifactor is a Y Combinator Fall 2025 startup Zero-trust authentication, authorization, and auditing for AI agents, currently active with a team of 6.
Zero-trust authentication, authorization, and auditing for AI agents
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The agentic era is here, but its foundation is dangerously insecure. A growing number of high-profile "AI agent gone rogue" security incidents make headlines each week. As enterprise adoption of agentic software has far outpaced the development of applicable cybersecurity solutions, CISOs have loudly voiced a growing need for verifiable, fine-grained security controls on complex multi-agent systems. That's why we built Multifactor. Multifactor offers best-in-class authentication, authorization, and auditing technologies for agentic systems, allowing users to securely and revocably share online accounts with agents while maintaining fine-grained permissions and a detailed event history. We are doing for AI security what Cloudflare did for web security, Okta did for identity security, and W…
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Yes. Multifactor was funded by Y Combinator in the Fall 2025 batch. Zero-trust authentication, authorization, and auditing for AI agents
The agentic era is here, but its foundation is dangerously insecure. A growing number of high-profile "AI agent gone rogue" security incidents make headlines each week. As enterprise adoption of agentic software has far outpaced the development of applicable cybersecurity solutions, CISOs have loudly voiced a growing…
Multifactor was part of Y Combinator's Fall 2025 batch.
Multifactor has a team of 6 people according to Y Combinator's directory.
Multifactor is currently listed as Active with a team of 6 in Y Combinator's directory.
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