Universal 2nd Factor (U2F) is an open authentication standard that strengthens and simplifies two-factor authentication using specialized USB or NFC devices. U2F enables Internet users to securely access any number of online services, with one single device, instantly and with no drivers or client software needed.

SAML 2.0

Security Assertion Markup Language 2.0 (SAML 2.0) is a version of the SAML OASIS standard for exchanging authentication and authorization data between security domains.

OAuth 2.0

OAuth 2.0 is the next evolution of the OAuth protocol which provides a method for clients to access server resources on behalf of a resource owner.


The System for Cross-domain Identity Management (SCIM) specification is designed to make managing user identities in cloud-based applications and services easier.

Enterprise UMA (user managed access)

As a profile of OAuth 2.0 that is complementary to OpenID Connect, the user managed access, or “UMA”, specification defines RESTful, JSON-based, standardized flows and constructs for coordinating the protection of APIs and web resources in a way that will be familiar to any developer already acquainted with OAuth.


The Lightweight Directory Access Protocol (LDAP) is an application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network.

OpenID Connect

OpenID Connect is a simple JSON/REST-based interoperable identity protocol built on top of the OAuth 2.0 family of specifications.