National Security Bureau or security bureau may refer to:
; Government
*
National Security Bureau (Republic of China)
The National Security Bureau (NSB; ) is the principal intelligence agency of Taiwan.
History
The organization was created in 1955 by a ROC Presidential Directive from Chiang Kai-shek, to supervise and coordinate all security-related administr ...
, the principal intelligence agency of the Republic of China (commonly known as Taiwan)
*
National Security Bureau (Poland)
National Security Bureau ( pl, Biuro Bezpieczeństwa Narodowego, BBN) is a Polish government agency executing the tasks given by the President of the Republic of Poland regarding national security. The Bureau serves as the organizational support ...
, an agency that executes the tasks given by the president of the Republic of Poland regarding national security
*
National Security Bureau (Slovakia) Národný bezpečnostný úrad (NBÚ) (''National Security Authority'' in English) is the main body of state administration for the protection of classified information, cipher service and electronic signature. As the National Security Authority it ...
, a bureau responsible for protection of confidential data, the introduction and use of the electronic signature and cipher service in the Slovak Republic
; Other
*
National Security Bureau of the Arab Socialist Ba'ath Party – Syria Region, a bureau of the Regional Command of the Ba'ath Party in Syria
{{disambig