PGP Corporation

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PGP Corporation
Industry Computer Software
Founded 2002, technology 1991
Headquarters Menlo Park, Salt Lake City, London, Frankfurt, Tokyo
Products Encryption applications and management platform
Number of employees
225 (2006)
PGP Corporation headquarters in Menlo Park

PGP Corporation, co-founded by Jon Callas and Phil Dunkelberger, was based in Menlo Park, California.[1] PGP Corporation was funded by Rob Theis, General Partner, Doll Capital Management (DCM) and Terry Garnett, General Partner, Venrock Associates. The company owned the Pretty Good Privacy codebase, which was originally developed by Phil Zimmermann.[2] Originally written in 1991, Pretty Good Privacy (PGP) was one of the first freely and publicly available implementations of public-key cryptography. It was originally used to allow individuals to communicate securely through bulletin board systems. PGP later became standardized and supported by many other applications, including email. PGP Corporation acquired the code and rights to the name from Network Associates (NAI) in August 2002.[3] The company released version 9 of the software in 2005.

PGP Corporation's focus shifted towards the corporate market. President and CEO Phil Dunkelberger said that transparency of use and manageability are the focus of company development efforts.[4] In 2004, the company announced plans to integrate with Symantec anti-virus technology.[5] In 2010, the company acquired certificate authority TC TrustCenter and its parent company, ChosenSecurity, to form its new PGP TrustCenter division.

On 2010 April 29, Symantec Corp. announced it had signed a definitive agreement to acquire PGP Corporation.[6] The merger was completed in June of that year.


  1. ^ PGP Corporation Office Locations
  2. ^ "Philip Zimmermann". Retrieved 24 February 2015. 
  3. ^ Network Associates on Computer Hope.
  4. ^ John Leyden (2002-08-22). "PGP reborn makes its pitch for the mainstream". The Register. Retrieved 2008-03-21. 
  5. ^ John Leyden (2004-04-16). "PGP to integrate anti-virus defences". The Register. Retrieved 2008-03-21. 
  6. ^ "Symantec to Offer Broadest Data Protection Capabilities with Acquisition of PGP Corporation and GuardianEdge". Retrieved 24 February 2015. 

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