Q: What is autoimmunity? A: Autoimmunity is an immune response directed to a substance (referred to as antigen) present in the body of the host. Q: What is autoimmune disease? A: It is a disorder caused entirely or in part by an autoimmune response.
OAuth is an open standard for authorization, commonly used as a way for Internet users to log into third party websites using their Microsoft, Google, Facebook or Twitter accounts without exposing their password.
OAuth isnât meant to do stuff like validate a userâs identity â thatâs taken care of by an Authentication service. Authentication is when you validate a userâs identity (like asking for a username / password to. log in), whereas authorization is when check to see what permissions an existing user already has.