National Police Agency Security Bureau
Branch of the National Police Agency
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The National Police Agency Security Bureau (警察庁警備局, Keisatsu-chō Keibi-kyoku) is a bureau of the National Police Agency in charge of national-level internal security affairs.[1][2]
It supervises the Security Bureau and the Public Security Bureau of the Tokyo Metropolitan Police Department, and Security departments of other Prefectural police headquarters for those issues.[3][4]
The current chief of the Security Bureau is Hiroki Tsutsui.
Organization

Organization of the Security Bureau is as follows:[5]
Security Department
The Security Department (警備部, Keibi-bu) is charged with internal counter-terrorism, countering cybercrime and surveillance of potentially threatening groups, organisations, and social phenomena.[4] It's also tasked with providing close protection requirements to VIPs.[6]
- Security Planning Division (警備企画課, Keibi Kikaku-ka)
- Security Coordination Office
- Image Data Analysis Office
- Intelligence Coordination Analysis Office
- Crisis Management Office
- Cyber Attack Analysis Center
- Public Security Division (公安課, Kōan-ka)
Foreign Affairs and Intelligence Department
The Foreign Affairs and Intelligence Department (外事情報部, Gaiji-jōhō-bu) is charged with counter-intelligence, and international counter-terrorism.[7] It has a unit known as YAMA, which has access to classified information based on intercepts from various communications facilities.[8]
- Foreign Affairs Division (外事課, Gaiji-ka)
- Foreign Affairs Technical Investigation Office
- Foreign Affairs Research Office
- Foreign Affairs Special Case Countermeasure Office
- Unauthorized Export Countermeasure Office
- Counter International Terrorism Division (国際テロリズム対策課, Kokusai Terorizumu Taisaku-ka)
- Counter International Terrorism Countermeasure Office
Security Operations Department
The Security Operations Department (警備運用部, Keibi-unyō-bu) replaced the former Security Division (警備課, Keibi-ka) in 2019.[9] It's mandated with security and protecting VIPs (1st Division) and response to large-scale disaster or terrorism (2nd Division).
- First Security Operations Division (警備第一課, Keibi Daiichi-ka)
- Second Security Operations Division (警備第二課, Keibi Daini-ka)
Training
Prospective SB officers are trained at the National Police Academy in intelligence gathering techniques.[10]