MGB Table of Contents Introduction References & Edit History Discover 10 Greatest Baseball Players of All Time Why Is Thanksgiving in the U.S. Celebrated on a Thursday? 8 of the Largest Empires in History 10 Famous Artworks by Leonardo da Vinci Was Santa Claus a Real Person? Pro and Con: School Uniforms 14 Tough Questions Answered Contents MGB Soviet government Ask the Chatbot a Question More Actions Print Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/topic/MGB Feedback Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article. External Websites Ask the Chatbot a Question Also known as: Ministerstvo Gosudarstvennoy Bezopasnosti Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Article History Table of Contents Table of Contents Ask the Chatbot a Question MGB, former Soviet intelligence and counterintelligence agency, one of the forerunners of the KGB (q.v.).