Skip navigation

Duo News & Press

All things Duo from our press room, blog and around the Web

About Duo

Get to know our founders, leadership, investors and customers

About Duo

Press Kit

Duo photos, logos, video and fast facts

Brand Assets

Contact Duo Press Team

Want to schedule an interview, see the latest Duo research, or need other company information? Email securitypr@cisco.com, or fill out our form below.

Company News, Research & Events

See all press releases See all blog updates
of customers recommend Duo76%1 Billion+Authentications every monthEmployees1,100+Net Promoter Score67+35,000+Paying Customers 76%of customers recommend Duo35,000+Paying customers in 100 countriesNet Promoter ScoreEmployees1,100+67+1 Billion+Authentications every month 76%of customers recommend Duo35,000+Paying customers in 100 countriesEmployees1,100+Net Promoter Score67+1 Billion+Authentications every month

Duo History

20092010Scio Security (soon to be Duo) Founded2011Duo Security founded First round of funding from True Ventures1stCustomer2015Series C : Redpoint 195 Employees Duo opens offices in San Mateo, CA; Austin, TX; and London, EnglandSeries C : Redpoint 195 Employees Duo opens offices in San Mateo, CA; Austin, TX; and London, England2017500+ Employees Duo Beyond launched Series D : Meritech Capital Partners and Lead Edge Capital2,000Customers2018700+ Employees Duo opens downtown Detroit office Duo acquired by Cisco14,000CustomersAnn Arbor office opened201470 employees2012Series A : Google Ventures2013Series B : Benchmark 48 Employees1,214Customers2016400 Employees6,870Customers 14,000Customers700+ Employees Duo opens downtown Detroit office Duo acquired by Cisco20182017500+ Employees Duo Beyond launched Series D : Meritech Capital Partners and Lead Edge CapitalSeries B : Benchmark 48 Employees20131,214Customers2011Ann Arbor office opened2009Scio Security (soon to be Duo) FoundedDuo Security founded First round of funding from True Ventures20101stCustomer2012Series A : Google Ventures201470 employees2015Series C : Redpoint 195 Employees Duo opens offices in San Mateo, CA; Austin, TX; and London, England2,000Customers2016400 Employees6,870Customers Duo Security founded First round of funding from True Ventures20101stCustomer2017500+ Employees Duo Beyond launched Series D : Meritech Capital Partners and Lead Edge Capital2015Series C : Redpoint 195 Employees Duo opens offices in San Mateo, CA; Austin, TX; and London, England2,000Customers2012Series A : Google Ventures201470 employees2009Scio Security (soon to be Duo) Founded2011Ann Arbor office openedSeries B : Benchmark 48 Employees20131,214Customers2016400 Employees6,870Customers14,000Customers700+ Employees Duo opens downtown Detroit office Duo acquired by Cisco2018