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Multifactor Y Combinator · Fall 2025

Cybersecurity · San Francisco, US · multifactor.com

Zero-trust authentication, authorization and auditing for AI agents.

Zero-trust authentication, authorization, and auditing for AI agents

Funding history

DateRoundAmount
Dec 2025Seed
Multifactor (YC F25) raised a $15M seed round to make online accounts safe for AI agents with zero-trust auth infrastructure.
$15M
Nov 2025Seed
Multifactor raised seed.
$15M

Investors

Nexus Venture Partners

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