Identity and access management (IAM) 

When we're looking into how we can possibly manage all of the authentication and authorization principles that we've gone into so far in this chapter, we can simplify the process by leveraging what are known as IAM tools. These tools help organizations give the right access to the right resources at the right time and generally help with maintenance by giving each user a single identity that is then maintained and monitored throughout their time at the organization. This could include employees, customers, or third parties. If a user changes roles or leaves, that is reflected in their access through the IAM.

A centrally managed identity repository system for managing identity and regulating access leads to greater agility, better security, and higher levels of productivity, but requires technically experienced people to manage their administration. Furthermore, policies and procedures surrounding the regular administration and...