| AES | Advanced Encryption Standard |
| API | Application Programming Interface |
| CPU | Central Processing Unit |
| DC | Data Controller |
| DP | Data Processor |
| DPO | Data Protection Officer |
| DPV | Data Privacy Vocabulary |
| DS | Data Subject |
| DEFeND | Data Privacy Governance for Supporting GDPR |
| EAX | Encrypt-Then-Authenticate-Then-Translate |
| EU DPD | European Data Protection Directive |
| GDPR | General Data Protection Regulation |
| GHz | Gigahertz |
| GPS | Global Positioning System |
| HTTP | Hypertext Transfer Protocol |
| JSON | JavaScript Object Notation |
| JWT | JSON Web Token |
| KG | Knowledge Graph |
| MFOTL | Metric First-order Temporal Logic |
| ML | Machine Learning |
| NGAC | Next Generation Access Control |
| NIST | National Institute of Standards and Technology |
| OAEP | Optimal Asymmetric Encryption Padding |
| OAS | OpenAPI Specification |
| OWL | Web Ontology Language |
| PEPs | Policy Enforcement Points |
| PII | Personally Identifiable Information |
| PKCS | Public Key Cryptography Standards |
| RAM | Random Access Memory |
| REST | Representational State Transfer |
| RSA | Rivest–Shamir–Adleman |
| S4P | SecPAL for Privacy |
| SDM | Standard Data Protection Model |
| SMEs | Small and Medium-sized Enterprises |
| SMT | Satisfiability Modulo Theories |
| SPARQL | Simple Protocol and Resource Description Framework Query Language |
| STS | Socio-Technical Security |
| TOMs | Technical and Organisational Measures |
| URL | Uniform Resource Locator |