| Bahasa Malaysia | English |
|---|---|
| sumpah simpan rahsia | oath of secrecy |
| rahsia rasmi | official secret |
| rahsia | confidential |
| perhubungan rahsia | confidential communication |
| maklumat rahsia | confidential information |
| perkara / hal / atur cara rahsia | secret matter |
| kerahsiaan terkawal / seketatnya | strict confidence |
| pengawai rahsia / berselindung / yang menyamar diri | undercover officer |