- AA: Authentication and Authorisation
- AAA: Authentication, Authorisation and Accounting
- AAI: Authentication and Authorisation Infrastructure
- AARC: Authentication and Authorisation for Research and Collaboration
- API: Application Programming Interface
- AS: Authorisation Server
- AUP: Acceptable Use Policy
- AuthN: Authentication
- AuthZ: Authorisation
- CoCo: GÉANT data protection Code of Conduct
- CSIRT: Computer Security Incident Response Team
- EC: European Commission
- eduGAIN: AAI confederation interconnecting national and community-wide R&E identity federations
- eduroam: education roaming – International roaming service for users in R&E
- eID: Electronic Identification
- EOSC: European Open Science Cloud
- EU: European Union
- FAIR: Findable, Accessible, Interoperable and Reusable (data principles)
- FAQ: Frequently Asked Questions
- FIM4R: Federated Identity Management for Research
- FQDN: Fully Qualified Domain Name
- GDPR: General Data Protection Regulation
- GÉANT: The pan-European research and education network
- GUI: Graphical User Interface
- HA: High Availability
- HO: Home Organisation
- HTTP: Hypertext Transfer Protocol
- HTTPS: Hypertext Transfer Protocol Secure
- IAM: Identity and Access Management
- IdM: Identity Management
- IdP: Identity Provider
- IP: Internet Protocol
- LDAP: Lightweight Directory Access Protocol
- MFA: Multi-Factor Authentication
- NREN: National Research and Education Network
- OA: Open Access
- OIDC: OpenID Connect
- OpenAIRE: Open Access Infrastructure for Research in Europe
- PKI: Public Key Infrastructure
- R&E: Research and Education
- R&S: Research & Scholarship
- RAF: REFEDS Assurance Framework
- REFEDS: Research and Education FEDerations
- SAML: Security Assertion Markup Language
- SFA: Single-Factor Authentication
- Shibboleth: An Internet2 project to investigate technology to support inter-institutional Authentication and Authorisation
- SIRTFI: Security Incident Response Trust Framework for Federated Identity
- SP: Service Provider
- SSO: Single sign-on
- UI: User Interface
- UMA: User Managed Access
- URI: Uniform Resource Identifier
- URL: Uniform Resource Locator
- URN: Uniform Resource Name
- WebSSO: Web Single Sign-On
- WISE: Wise Information Security for Collaborating e-Infrastructures
- XML: Extensible Markup Language