| Subject | English | Chinese |
| law | internal security | 内部安全 |
| law, amer. | internal security | 国内安全机关如、中央情报局及联邦调查局机构 |
| mil., air.def. | internal security | 内部安全性 |
| law, amer. | Internal Security Act Mc-Carran Act | 国内安全法又称《史密斯法》、《麦卡伦法》、1950年 |
| IT | internal security audit | 内部安全审计 |
| cryptogr. | internal security control | 内部安全控制 |
| IT | internal security controls | 内部安全控制 |
| el. | internal security file | 内部保密文件 |
| cryptogr. | internal security testing | 内部安全测试 |