In Chapter 1, Introduction to Cloud Security, we read about the AAA model of security, where we saw that authentication and authorization are very critical points. In cloud, we defined the two parts, authentication and authorization, using IAM.
IAM stands for Identity and Access Management. It plays a critical role in security implementation in the cloud. Here, we define users, groups, roles, and policies.
In AWS, when we subscribe the services, we actually create a root account, which is single sign in for all the services.
In single sign in, we enter our user credentials once and we can move through all the connected applications without being prompted for user credentials.
It's always advisable ...
