Multifactor (YC F25): Share Online Accounts with Humans & AI Agents

2025-10-14

It's 2025 and password managers aren't cutting it. Passwords, passkeys, 2FA, etc. make accounts more secure, but harder than ever to share. What if you could share any online account just by sharing a link, as easily as sharing a Google doc?

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Perspectives on Security for AI Agents at Black Hat USA 2025

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Multifactor is at Black Hat USA 2025 and DEFCON 33! Are you wrestling with the security implications of Agentic AI? Come chat with us!

MFKDF Presentation at DEF CON 30

MFKDF Presentation at DEF CON 30

2022-08-15

This video is a recording of the MFKDF talk presented at the Password Village at DEF CON 30. It includes a full overview of MFKDF, the features that it provides, and a high-level technical description of how it works.

MFKDF Centralized Application Demo

MFKDF Centralized Application Demo

2022-06-17

This demo shows how to use MFKDF to build a strong centralized password management application featuring multi-factor key derivation with advanced key derivation policies, factor persistence, self-service key recovery, MFKDF-based authentication, and end-to-end encryption.