| Subject | English | Japanese |
| comp., MS | Internet Protocol security | インターネット プロトコル セキュリティ (A set of industry-standard, cryptography-based services and protocols that help to protect data over a network) |
| comp. | n security protocol | セキュリティ・プロトコル |
| comp., MS | security protocol | セキュリティ プロトコル (A specification that defines security-related data objects and rules about how the objects are used to maintain security on a computer system) |
| comp. | n security protocol | セキュリティプロトコル |