IAM stands for “Identity and Access Management.” IAM provides answers to the fundamental question in DevOps: “Who can access what?”

The roots of IAM go back to the early days of computing, where users of UNIX systems needed a username and password to access their accounts and files. As systems got more complex, grew in number, and larger pools of users needed access, identity management solutions like Lightweight Directory Access Protocol, LDAP, became increasingly popular, where a central team could manage access for multiple departments and roles.

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