However, Security Screenings is not considered to be a follow-up to Surrounded by Silence.
National Security Agency | National Security Council | Organization for Security and Co-operation in Europe | United States National Security Council | United Nations Security Council | National Security Advisor | United States Department of Homeland Security | security | National Security Advisor (United States) | Social Security Administration | United Nations Security Council resolution | United Nations Security Council Resolution 1267 | Transportation Security Administration | Hacker (computer security) | George C. Marshall European Center for Security Studies | United Nations Security Council Resolution 1373 | Transport Layer Security | Social Security | Committee of General Security | United Nations Security Council Resolution | Social Security (United States) | High Representative of the Union for Foreign Affairs and Security Policy | computer security | National Security Archive | National Security Act of 1947 | Ministry of Public Security of the People's Republic of China | Internet security | hacker (computer security) | Farm Security Administration | Computer security |
Unlike the 2006 EP Security Screenings, Preparations is considered the proper follow-up to 2005's collaboration-heavy Surrounded by Silence.