SAML is an abbreviation of Security Assertion Markup Language and is called “Samuru”.
SAML is a standard of authentication information developed by OASIS for authenticating users between different Internet domains. In other words, it refers to a rule protocol that exchanges user credentials.
Idp (= Identify Provider) is a system that provides authentication information. Without SAML, it is necessary to convert the format and format of information when the IdP and SP exchange information. You can save the trouble of that work.
Convenient improvement
With SSO, you can log in to different services with or user authentication. Because you do not need to authenticate each time, you can use the service comfortably.
Security improvements
Some users may be uneasy about the availability of many services with one authentication system. However, considering that most users use the same ID and password for all services and that only one login information needs to be managed securely, it can be said that there are security advantages as well.