| Subject | English | Welsh |
| comp., MS | BitLocker Drive Encryption | Amgryptiad Gyriant BitLocker (A hardware-based security feature that prevents unauthorized access to a computer by providing full-volume encryption and integrity checking of boot components) |
| comp., MS | BitLocker encrypted installation | gosodiad BitLocker wedi'i amgryptio (A feature of BitLocker that enables IT pros to encrypt a disk before a user begins to use it) |
| comp., MS | BitLocker network unlock | agor rhwydwaith BitLocker (A feature of BitLocker that allows unlocking of an OS volume using a key received over the network) |