Glossary

There are many Identity terms and identity acronyms, here is a guide to them all. 

Term	Description
Validation	The processes of validating the presented information, such as checking that a number is in a valid format or that information appears correctly.
Verification	The process of verifying that the information is correct by cross checking against an authoritative source. For example checking that a name and address exist within a database.
Authentication	The process of ensuring that something is real, which could be confirming that a person is who they claim to be or that a document is a real authentic document.
Authorisation	The process of providing permission, usually refersto allowing system access.
Relying Party	A person or organisation who is using an identity service.
Level of Assurance	A definition for the level of assurance that a person has been asserted to. The Level of Assurance (LoA) will have been defined in a standard. The use of LoA is defined in ISO/IEC 29115:2013 Information technology — Security techniques — Entity authentication assurance framework.
Multi Factor Authentication	The process of using multiple factors of authentication. Also refered to as MFA, requires confirmation of: Something you have Sometging you are Something you know
Strong Customer Authentication	Authentication requirements for electronic payments, as defined in PSD2.