| APIs | Application Programming Interfaces |
| VPN | Virtual Private Network |
| SSL | Secure Socket Layer |
| eCoach | Electronic Coach |
| SF | Spring Framework |
| SSF | Spring Security Framework |
| DoS | Denial-of-Service |
| DDoS | Distributed Denial-of-Service |
| MITM | Man in the Middle |
| IP | Internet Protocol |
| OAuth | Open Authorization |
| OpenID | Open Identifier |
| CORS | Cross-Origin Resource Sharing |
| HTTPS | Hypertext Transfer Protocol Secure |
| RSA | Rivest–Shamir–Adleman |
| Bcrypt | Blowfish and crypt |
| SHA | Secure Hash Algorithm |
| MD5 | Message-Digest algorithm |
| CSRF | Cross-Site Request Forgery |
| XSS | Cross-site scripting |
| IAM | Identity and access management |
| IoMT | Internet-of-Medical-Things |
| MSA | Microservice Architecture |
| PoC | Proof of Concept |
| MQTT | Message Queue Telemetry Transport |
| PKI | Public Key Infrastructure |
| TLS | Transport Layer Security |
| SSL | Secure Socket Layer |
| REST | Representational State Transfer |
| EHR | Electronic Health Record |
| SAML | Security Assertion Markup Language |
| JDBC | Java Database Connection |
| LDAP | Lightweight Directory Access Protocol |
| ACL | Access Control List |
| CAS | Central Authentication Service |
| SSE | Spring SAML Extension |
| SOAP | Simple Object Access Protocol |
| XML | Extensible Markup Language |
| OIDC | OpenID Connect |
| NSD | Norwegian Centre for Research Data |
| BLE | Bluetooth Short-Range Communication Technology |
| UUID | Unique User ID |
| DNS | Domain Name Service |
| OTP | One-Time Password |
| SSH | Secure Shell |
| SDLC | Software Development Life Cycle |
| BPS | Bits per Seconds |
| TCP | Transmission Control Protocol |
| RTT | Round Trip Time |
| IDP | Identity Provider |
| AS | Authorization Server |
| JWT | JavaScript Object Notation Web Token |
| JSON | JavaScript Object Notation |
| URL | Uniform Resource Locator |
| MAC | Media Access Control |
| DHCP | Dynamic Host Configuration Protocol |
| UDP | User Datagram Protocol |
| ARP | Address Resolution Protocol |
| GDPR | General Data Protection Regulation |
| FISMA | Federal Information Security Management Act |
| ISO | International Organization for Standardization |
| PCI DSS | Payment Card Industry Data Security Standard |
| JSP | Java Server Page |