Verteidigungsministerium des Vereinigten Königreichs
In October 2009, [[Joint Services Protocol 440]], a 2,400-page restricted document written in 2001 by the British [[Ministry of Defence (United Kingdom)|Ministry of Defence]] was leaked. It contained instructions for the security services on how to avoid leaks of information by [[hacker (computer security)|hackers]], journalists, and foreign [[spy|spies]].