Presidential Policy Directive 20

The Presidential Policy Directive 20, or shortly PPD -20 is a directive from the U.S. President Barack Obama which focuses on the cyber war. The directive was top secret and NOFORN, Abbreviation for no foreign nationals, thus accessible only to U.S. citizens. Mentioned for the first time it was in November 2012 in the Washington Post which sources had reported her away. On June 7, 2013 According The Guardian, or Glenn Greenwald and Ewen MacAskill, they released completely. The content of the directive describes how the U.S. wants to fight offensively in a cyberwar. So it should be possible also attacks on foreign servers in other countries.