安全

safe; secure / safety; security

surname An

(bound form) calm; peaceful / to calm; to set at ease / safe; secure; in good health / content; satisfied (as in 安於|安于[an1 yu2]) / to place (sb) in a suitable position (job) / to install; to fix; to fit / to bring (a charge against sb) / to harbor (certain intentions) / ampere (abbr. for 安培[an1 pei2])

all / whole / entire / every / complete

PRC Ministry of State Security

containment vessel

Domestic Security Protection Bureau, the department of the Ministry of Public Security responsible for dealing with dissidents, activists etc

homeland security

Department of Homeland Security (DHS)

(US) Department of Homeland Security

personal safety

national security

National Security Bureau (NSB) (Tw) / National Security Agency (NSA) (USA)

safety issue / security issue

crime against public order