Palantir Technologies is considered the principal company behind the design of software used for PRISM program. The company received investments for $2 million from the CIAs venture arm In-Q-Tel and $30 million from Peter Thiel and his firm, Founders Fund. In one email published in the hack to Stratfor firm, Palanir is expressly indicated as a possible financier of Facebook. The name appeared for the first time during the hacking of HBGary Federal company, when documents were some stolen detailing the involvement of the Palantirs to attack and destroy WikiLeaks.”]
Source: http://securityaffairs.co/wordpress/15317/intelligence/palantir-helped-nsa-to-build-prism.html