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Facebook + Duo: A 2FA Token-Replacement Case Study

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Social media giant Facebook manages personal data for 1.19 billion active users across their platform; making a clear case that the integrity of the personal data entrusted to them is integral to the overall success of the company.

Their mission: to protect a billion users without losing (much) sleep.

This means shielding their developers from targeted malicious attacks while they’re accessing Facebook’s internal networks and databases during development in order to avoid security risks to their source code and user data.

With tens of thousands of SSH sessions a day, they needed strong security that would support their engineer’s needs without adding more friction.