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Understand the uses and benefits of Attribute-Based Access Control.
Learn how Single Sign On (SSO) can improve security and UX.
Learn about OpenID Connect, an open authentication protocol.
Learn about SAML, a popular SSO protocol.
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SAML stands for Security Assertions Markup Language. Let’s say an organization wishes to authenticate its users without creating IAM roles and communicate assertions between the source and the target in a cloud environment. This can be easily achieved with the help of SAML.
SAML is a method of secure communication between parties using extensible markup language (XML). The following two endpoints are typically used in SAML:
SAML is built on the notion of single sign-on (SSO). It means that one can use the same credentials on all of an organization’s portals to which they have access. SAML can also be used for access control list (ACL) permissions, in which it determines whether or not a user is authorized to access a specific resource. There’s also SAML 2.0, which is a version of the SAML standard that enables web-based, cross-domain SSO. It was ratified back in 2005.
Let’s discuss the benefits of SAML from different stakeholders’ perspectives:
OAuth stands for “Open Authorization“. OAuth, like SAML, employs an authorization server to complete the login process, and both are based on the SSO principle. Let’s look at some of the fundamental differences between them.
Note: The actions listed above will only work if there is a “trust connection” between the identity provider and the service provider. The authentication process will fail if that does not exist.
How We Can Create a Trust Relationship between Identity Provider and Service Provider
The SAML basic configuration must be agreed upon by both the identity provider and the service provider. As a result, an identical configuration is required at both endpoints; otherwise, SAML will not work.
How It Works:
When an organization implements SAML, it can do so in a variety of ways. For example, all infrastructure can be deployed on-premises, in the cloud, or in a hybrid structure where part of it is on the cloud and part is on-premises. We have a couple of use cases based on it.
In this situation, identity verification takes place on-premises, but authorization takes place in the cloud, and the user has immediate access to the cloud resource before authentication, then:
Both the identity provider and the service provider are cloud-based in this scenario, and the apps are either cloud-based or on-premises.
It is relatively simple to deploy SAML in the cloud because most cloud service providers now provide an option to do so automatically; you don’t need to know rocket science to do so. Here, we are discussing how you can implement SAML on Google Cloud.
Create an account on Google Cloud and enable the identity provider.
Now it’s time to set up the provider; there are a few things to do.
2. After adding all this information at different places, click on save.
These are some basic cloud measures that we can use. However, we can take the procedures listed below to secure it, such as:
Although we discussed the fundamentals of SAML, there are other fundamentals that make SAML communication more safe.