| Subject | English | Korean |
| comp., MS | data encryption | 데이터 암호화 (The process of converting readable data (plaintext) into a coded form (ciphertext) to prevent it from being read by an unauthorized party) |
| comp., MS | Data Encryption Standard | 데이터 암호화 표준 (An encryption algorithm that uses a 56-bit key and maps a 64-bit input block to a 64-bit output block. The key appears to be a 64-bit key, but one bit in each of the eight bytes is used for odd parity, resulting in 56 bits of usable key) |
| IT | Data Encryption Standard | 데이터 암호화 표준 (DES) |