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Abstract
Single Sign-on is important to use in the Distributed Environment System. There are several authentications required to authenticate the other Tenant as part of the Single sign-on and It is hard to modify the old legacy application into to Single sign-on application. Which are using a username and password. The old authentication is just authenticated in a single application. We need credentials to store usernames and passwords in the database and authenticate via the Internet. It will try to verify the username and password from the database and verify the authentication. In single sign-on, there are all tenants to be provided to authenticate like Amazon, Azure, Google Cloud, and Oracle, if they have an account on these providers then They will authenticate with the same username and password to any application, so They don't need to create an account on the destination web application. Single sign-on is a secure authentication mechanism to authenticate without a client username and password. There are several authentications in Single sign-on like SAML, and OIDC base authentication. The single sign-on is easy to maintain and add other providers in the same application. It is very easy to maintain the user and providers. Web applications to store the username and password are critical for any company with secure protocols and confidential processes. It is the most common security weakness to store information in the database. Single sign-on is the problem enabling companies to enable the federal environment in which clients sign in the environment once and They can use the services provided by the different organizations.
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