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 NPA SB is currently being led by Yuji Sakorda.


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]

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]

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).


Prospective SB officers are trained at the National Police Academy in intelligence gathering techniques.[10]


  1. ^ Aftergood, Steven (12 October 2000). "FAS: Security Bureau". Retrieved 30 December 2014.
  2. ^ Davis & Gustafson (2013), p. 185.
  3. ^ National Police Agency Police History Compilation Committee, ed. (1977). Japan post-war police history (in Japanese). Japan Police Support Association.
  4. ^ a b National Police Agency. 警察庁警備局 自由と繁栄の礎を築く (in Japanese). Archived from the original on 2016-09-24. Retrieved 2016-05-29.
  5. ^ "ORGANIZATION & RESOURCES (POLICE OF JAPAN 2014)" (PDF). National Police Agency. Archived from the original (PDF) on 2014-05-13. Retrieved 2015-02-23.
  6. ^ [bare URL PDF]
  7. ^ National Police Agency. 警察庁外事情報部 「外からの脅威」との闘い (in Japanese). Archived from the original on 2016-09-24. Retrieved 2016-05-29.
  8. ^ Williams (2021), p. 8.
  9. ^ "災害・対テロで「警備運用部」 15年ぶり新部 警察庁が組織改正案(1/2ページ) - 産経ニュース". Archived from the original on 2019-04-02. Retrieved 2020-03-13.
  10. ^ Andrew Oros (2008-06-09). "Japan's Growing Intelligence Capabilities" (PDF). Archived from the original (PDF) on 2009-03-20. Retrieved 2019-05-23.