noun
- The internal counterintelligence agency of the Russian Federation and successor to the Soviet KGB; formerly led by Vladimir Putin.
- synonyms: FSB, Federal Security Service
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). federal security bureau. Retrieved September 28, 2026, from http://smartdefine.org/federal_security_bureau/definitions/1224009 |
| Chicago | WordNet. 2010. "federal security bureau" http://smartdefine.org/federal_security_bureau/definitions/1224009 (accessed September 28, 2026). |
| Harvard | WordNet 2010, federal security bureau, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/federal_security_bureau/definitions/1224009>. |
| MLA | WordNet. "federal security bureau" 23 October 2010. Web. 28 September 2026. <http://smartdefine.org/federal_security_bureau/definitions/1224009> |