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Imprivata is an IT security company based in Lexington, Massachusetts. Founded in 2002, Imprivata manufactures and sells the OneSign Platform for securing employee access to desktops, networks and applications. As of 2011, Imprivata has over 1,250 clients and offices in the U.S., the United Kingdom, Italy, Belgium, and Germany and its 200 value-added reseller partners worldwide. Imprivata draws customers primarily from the healthcare, financial services and government verticals, as well as the energy/utilities, retail and telecommunications industries. Imprivata is privately held with venture funding from Polaris Venture Partners, Highland Capital Partners, General Catalyst Partners and SAP Ventures.


Imprivata was founded by entrepreneurs who had developed identity management technology while working at Polaroid Corporation’s small business incubator. Imprivata shipped its first product, the OneSign Enterprise Single Sign-On appliance in 2004. In 2005, Imprivata expanded its infrastructure to Europe, Africa and the Middle East, and introduced OneSign 3.0, an upgraded product that increased extensibility and expanded its strong authentication management capabilities to include physical access cards, One-Time Password tokens, ID cards, proximity cards, etc., in addition to its finger biometric support already offered in the initial platform offering. In 2006 Imprivata founder David Ting was selected by InfoWorld as one of the top 25 CTOs of the year.[1] In 2009, Imprivata acquired the assets of IdentiPHI, a manufacturer and reseller of biometric solutions, including the SAFsolution product line.[2]


Imprivata’s flagship product, Imprivata OneSign, is an appliance that helps companies manage user access and authentication. Product reviews suggest that the OneSign platform provides a single framework that allows companies to streamline application access by enabling all enterprise applications for single sign on without requiring custom scripting or modifications to existing directories.[3] OneSign can also strengthen user authentication to desktops and networks by replacing passwords with a range of authentication options that include finger biometrics, proximity cards, smart cards, many national and government ID cards, One-Time-Password tokens, and an employee’s physical location.[4] Product reviews also comment on OneSign's ability to simplify compliance reporting by consolidating the employee strong authentication and application access events in a single database.[5]


  1. ^ InfoWorld. “InfoWorld CTO 25.” June 5, 2006.
  2. ^ Peter Stephenson, SC Magazine, “Imprivata OneSign.” February 1, 2009.
  3. ^ Michele Masterson, "Imprivata Targets Verticals with Single Sign-On," Channel Web (, August 26, 2009.
  4. ^ [1]
  5. ^ L. Samuel Pfeifle, “Imprivata picks up IdentiPHI assets”, Security Systems News, April 9, 2009

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