noun
public peace; public safety; public security
Refers to the maintenance of public order and safety, often used in legal, governmental, or news contexts.
公安の維持は警察の重要な任務だ。
Maintaining public safety is an important duty of the police.
その団体は公安を乱
The group is under surveillance on the grounds that it may disturb public peace.
noun
security police (abbr. of 公安警察)
Abbreviation of 公安警察 (こうあんけいさつ), referring specifically to the security police division. Common in news and political contexts.
See also: 公安警察
公安が過激派のアジトを捜索した。
The security police searched the extremist hideout.
彼は公安の捜査対象になっている。
He is under investigation by the security police.