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FSB

British  

abbreviation

  1. the Russian Federal Security Service, founded in 1995

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of FSB

C20: Russian Federalnaya sluzhba bezopasnosti

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A 200-foot-long vessel with a helicopter landing pad, the Emerald was operated by Russia’s FSB security service, rather than its regular military, according to the post.

From The Wall Street Journal Jul. 14, 2026

It named his FSB handler in Russia as a man called Yuriy Shatalov whose role was to co-ordinate a network of agents.

From BBC Jun. 26, 2026

Some Western government officials openly suspected Russia’s FSB.

From The Wall Street Journal Jun. 12, 2026

Moran Security Group, which experts say was founded by former officers of Russia's FSB security service, did not immediately respond to a request for comment.

From Barron's Feb. 23, 2026

Inevitably, they crossed paths - and then collaborated - with the Russian mafia which, like the FSB, owns shares in privatized firms, residential property, banks, and money laundering facilities.

From Russian Roulette: Russia's Economy in Putin's Era by Vaknin, Samuel

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