| Subject | English | Hungarian |
| comp., MS | data encryption key | adattitkosítási kulcs (A bit string that is used in conjunction with an encryption algorithm to encrypt and decrypt data) |
| commun., IT | Data Encryption Standard | adattitkosítási szabvány |
| comp., MS | Triple Data Encryption Standard | háromszoros Data Encryption Standard (An encryption algorithm based on the Data Encryption Standard (DES)) |