Rop Gonggrijp

Robbert (Rop) Valentijn Gonggrijp (born 14 February 1968) is a Dutch and one of the founders of .


Gonggrijp was born in . While growing up in in the Dutch , he became known as a teenage hacker and appeared as one of the main characters in Jan Jacobs’s book Kraken en Computers (Hacking and computers, Veen uitgevers 1985, ) which describes the early hacker scene in the Netherlands. Moved to in 1988. Founded the magazine in 1989. He was believed to be a major security threat by authorities in the Netherlands and the United States. In the masthead of , Gonggrijp described his role as hoofdverdachte (‘prime suspect’). He was convinced that the Internet would radically alter society.

In 1993, a number of people surrounding including Gonggrijp founded . It was the first ISP that offered access to the Internet for private individuals in the Netherlands. Gonggrijp sold the company to the former enemy Dutch-Telecom KPN in 1997. After he left XS4ALL, Gonggrijp founded , a computer security evaluation company, which was bought by in 2006. In 2001, Gonggrijp started work on the Cryptophone, a that can conversations.

Since 1989, Gonggrijp has been the main organizer of . Originally organized by the cast of , these events have continued to live to this day.

Throughout the years, he has repeatedly shown his concerns about the increasing amount of information on individuals that government agencies and companies have access to. Rop held a controversial talk titled “We lost the war” at the 2005 in Berlin together with .

In 2006 he founded the organisation “Wij vertrouwen stemcomputers niet” (“We do not trust voting computers”) which campaigns against the use of electronic voting systems without a and which showed in October 2006 on Dutch television how an from manufacturer could easily be hacked. These findings were taken seriously both by the Dutch government and by international election observers.

On 16 May 2008 the Dutch government decided that elections would be held using paper ballots and red pencil only. A proposal to develop a new generation of voting computers was rejected.

Gonggrijp has worked for WikiLeaks, helping prepare the April 2010 release of video footage from a Baghdad airstrike.

On 14 December 2010, in relation to ongoing investigations of WikiLeaks, the issued a to release information regarding Gonggrijp’s account as well as those of Julian Assange, , , and all 637,000 users following @wikileaks. The reason is Gonggrijp’s collaboration in releasing the “Collateral Murder” video in April 2010, a WikiLeaks action.


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