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In the United States, the Homeland Security Advisory System (HSAS) was a color-coded terrorism threat advisory scale created in March 2002 under the Bush administration in response to the September 11 attacks. The different levels triggered specific actions by federal agencies and state and local governments, and they affected the level of ...
The National Terrorism Advisory System (NTAS) is a terrorism threat advisory scale used by the US Department of Homeland Security since April 26, 2011. [1][2] The NTAS is the replacement for the often-criticized, color-coded Homeland Security Advisory System introduced by the George W. Bush administration in 2002. [1]
President Joe Biden has been tracking the national security threat and directed White House national security adviser Jake Sullivan to engage congressional leaders, according to two U.S. officials.
The lower-level L clearance is sufficient for access to Secret Formerly Restricted Data and National Security Information, as well as Confidential Restricted Data and Formerly Restricted Data. [58] In practice, access to Restricted Data is granted, on a need-to-know basis, to personnel with appropriate clearances.
National Special Security Event. A National Special Security Event (NSSE) is an event of national or international significance deemed by the United States Department of Homeland Security (DHS) to be a potential target for terrorism or other criminal activity. These events have included summits of world leaders, meetings of international ...
The Worldwide Threat Assessment of the US Intelligence Community, originally called the "Annual Threat Assessment" is a hearing of the US Senate Select Intelligence Committee that has occurred each year since 2006, until 2020. [1] Each hearing includes at least one "open" or unclassified session and the release of a document that details the ...
Elements of policy. Measures taken to ensure U.S. national security include: Using diplomacy to rally allies and isolate threats. Marshaling economic power to elicit cooperation. Maintaining effective armed forces. Implementing civil defense and emergency preparedness policies (including anti-terrorism legislation) Ensuring the resilience and ...
The National Security Strategy (NSS) is a document prepared periodically by the executive branch of the United States that lists the national security concerns and how the administration plans to deal with them. The legal foundation for the document is spelled out in the Goldwater–Nichols Act. The document is purposely general in content, and ...