Making security more user-friendly

Partnered 2012, Series A

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Nearly all of Duo’s customers come from inbound leads, a true testament to its customer-driven success. The viral success of the business caught our attention and we signed on in 2012 to get behind Duo’s mission to build the strongest trusted access platform.

Duo today


Acquired by Cisco


authentications every month


ARR in 2017

Usability is commonly an afterthought in security software, but Duo has invested a significant effort to make both the end user and integration experience painless. Throughout the years, Duo has worked with GV's design team on everything from two-factor authentication to coaching our research team. GV shared our passion for UX from the start, and have been great thought partners for Duo.

- Sally Carson, head of product design at Duo