| Subject | English | Japanese |
| comp. | n data medium protection device | データ媒体保護機構 |
| comp., MS | data protection | データ保護 (The process of protecting data from loss or corruption by centrally creating and maintaining replicas and shadow copies of the data. DPM is designed to provide short-term disk-based backup, to support rapid and reliable recovery of data) |
| comp., MS | Data Protection API | データ保護 API (A set of routines, protocols, and tools that provides information confidentiality to user and system processes by applying password-based cryptographic protection at the local operating system level) |
| gen. | n Law for the Protection of Personal Data Held by Administrative Organs | 行政機関個人情報保護法 (2003) |