noun, noun which may take the genitive case particle 'no'
crime prevention
Refers to measures, activities, or awareness aimed at preventing crime. Often used in compounds like 防犯対策 (crime prevention measures) or 防犯意識 (crime prevention awareness).
地域の防犯活動に参加しています。
I participate in local crime prevention activities.
防犯カメラが設置された。
Security cameras were installed.
noun, used as a prefix
security (device, camera, etc.)
Used as a prefix in compound nouns to indicate security-related equipment or systems, such as 防犯カメラ (security camera), 防犯ブザー (personal alarm), or 防犯ガラス (security glass).
See also: 防犯カメラ (ぼうはんカメラ)
一人暮らしなので防犯ブザーを持ち歩いている。
Since I live alone, I carry a personal alarm.