Each agency is responsible for safeguarding and declassifying its own documents. The National Archives and Records Administration (NARA) has custody of classified documents from defunct agencies, and also houses the National Declassification Center (since 2010) and Information Security Oversight Office.

2025年1月23日 · declassification of records concerning the assassinations of president john f. kennedy, senator robert f. kennedy, and the reverend dr. martin luther king, jr.

Classified information is material that a government body deems to be sensitive information that must be protected. Access is restricted by law or regulation to particular groups of people with the necessary security clearance with a need to know. Mishandling of the …

classified document, any document or other record, whether in paper, electronic, or other form, that contains information regarded as sensitive by a national government and which, for that reason, is legally accessible only to persons with an …

The Central Intelligence Agency today declassified the United States Government's six oldest classified documents, dating from 1917 and 1918. These documents, which describe secret writing techniques and are housed at the National Archives, are believed to be the only remaining classified documents from the World War I era.

The Central Intelligence Agency today declassified the United States Government's six oldest classified documents, dating from 1917 and 1918. These documents, which describe secret writing techniques and are housed at the National Archives, are believed to be the only remaining classified documents from the World War I era.

2023年1月23日 · In light of the problems that have been encountered first by President Trump and now by President Biden over the handling of classified documents, many are wondering how the document...

Official information or material which requires protection against unauthorized disclosure in the interest of the national defense or foreign relations of the United States (hereinafter collectively termed "national security") shall be classified in one of three categories, namely "Top Secret," "Secret," or "Confidential," depending upon the deg...

2022年8月15日 · Classified information, or classified national security information, refers to documents or other mediums of intelligence that the government has deemed sensitive and therefore a potential...

2023年1月10日 · Classified information is material that if made public could endanger US national security. Sensitive information may be classified as Confidential, Secret, or Top Secret, depending on its potential impact on national security. Presidents periodically issue executive orders that govern the classification and declassification of sensitive material.