| API | Application Programming Interface |
| CA | Certificate Authority |
| CISO | Chief Information Security Officer |
| CLI | Command Line Interface |
| CloudHSM | HSM as a service, operated by Securosys |
| ECC | Elliptic-Curve Cryptography |
| ECO | CloudHSM HSM as a Service ECO (Economy) offering, production environment |
| FIPS 140-2 | Federal Information Processing Standard 140-2 |
| FW | Firmware |
| HA | High Availability |
| HSM | Hardware Security Module (physical or as a service) |
| JSON | JavaScript Object Notation object |
| JWT | JSON Web Token, used to authenticate and authorize users in web applications and APIs |
| mTLS | Mutual Transport Layer Security |
| RSA | Rivest-Shamir-Adleman asymmetric encryption algorithm |
| SBX | CloudHSM HSM as a Service SBX (Sandbox) offering, pre-production/test environment |
| SKA | Smart Key Attributes, attributes adding rules to individual keys |
| TSB | Transaction Security Broker, middleware to Primus HSM / CloudHSM providing REST API and multi-authorization (approval) workflow engine. TSB can be operated as workflow engine or solely as REST API, depending on Primus HSM or CloudHSM license / subscription |
| XML | Extensible Markup Language, defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. Format used for HSM key attestation. |