Foreign Intelligence Service of the Russian Federation (SVR)
Слу́жба вне́шней разве́дки Российской Федерации

Main Intelligence Directorate (GRU) [Military Intelligence]
[ГРУ:  Гла́вное Разве́дывательное Управле́ние]

The Aquarium

Leon Trotsky

Federal Security Service (FSB)
ФСБ: Федеральная Служба Безопасности

Committee for State Security (KGB)
[КГБ:  Комитет государственной безопасности]

KGB 1st Main Directorate / 2nd Main Directorate

Lubyanka on Dzerzhinsky Square

Vladimir Putin 

Cheka (Vcheka - The All-Russian Extraordinary Commission for Combating Counter-Revolution and Sabotage)
[ЧК: Всероссийская чрезвычайная комиссия по борьбе с контрреволюцией и саботажем]

People's Will (Narodnaya Volya)

assassination of Tsar Alexander II 1881

Okhrana 

"Okhranka"

Russo-Japanese War of 1905

Revolution of 1905

agent provocateurs 

Father Georgi Gapon

Roman Malinovsky 

Protocols of the Learned Elders of Zion (1905)

Dialogues in Hell (1864)

Henry Ford

Dearborn Independent

Disinformation - "Fake News"

February Revolution of 1917

sealed railway car 

Vladimir Illych Ulyanov (Lenin)

The October "Revolution" 1917

Treaty of Brest-Litovsk

Russian Civil War (1917-1922)

Allied Intervention (1918-1925)

Leon Trotsky

Sword and Shield of the Revolution

Felix Edmundovich Dzerzhinsky ("Iron Felix")

Chekisty

extra-judicial reprisal

Red Terror

Revolutionary Tribunals

Paul Dukes 

Sydney Reilly (Solomon 'Shlomo' Rosenblum)

Robert Bruce Lockhart

Rene Marchand

Fanya Kaplan

Diplomats’ Plot or the Lockhart Plot

INO (Foreign Section of the Cheka)

Comintern

Operation "Sindikat" and Operation Trust

Joseph Stalin 

US Recognition of USSR (Soviet Union) 1933

NKVD

Genrikh Yagoda

Russian Intelligence Agencies News (English)
http://www.agentura.ru/english/