Checkpoint: A Secure, Programmable Proxy for Sharing Online Accounts

2026-06-15

A short demo of Checkpoint, a secure programmable proxy running inside a TEE. Checkpoint terminates the encrypted connection, rewrites the traffic based on rules set in advance, then re-encrypts it on its way to the destination. Here, a rule replaces every text instance of "Apple" with "Banana."

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Introducing Checkpoint: A Better Way to Share Online Accounts

Introducing Checkpoint: A Better Way to Share Online Accounts

2025-06-25

Checkpoint uses novel cryptographic techniques to enable easy revocable, non-repudiable, and fine-grained sharing of any online account resource.

Introducing Switchboard: Provably Secure, Flexible, and Efficient Authorization

Introducing Switchboard: Provably Secure, Flexible, and Efficient Authorization

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Colin Roberts, CTO & Co-Founder of Multifactor, demonstrates Switchboard, a secure, flexible, and efficient data authorization management solution that advances the current state of the art by cryptographically enforcing complex authorization policies.

MFKDF Presentation at ACM CHI '24

MFKDF Presentation at ACM CHI '24

2024-05-08

This video is a recording of the MFKDF talk presented at ACM CHI 2024. It details a user study demonstrating the strong usability benefits of MFKDF over other key management approaches.