Chapter 5: Identity as
a Service (IDaaS)
TODAY, WITHIN MOST COMPANIES, users must log in to a variety of different
systems in order to perform various tasks. Some of the systems may
be cloud based, some may be based on local servers, and some may be
accessible through different devices. The challenge of having multiple
servers to access is that users must remember and manage multiple username
and password combinations. Further, if an employee leaves the
company, the IT staff must coordinate with the human resources department
to ensure that each of the userís accounts has been disabled. User
identity management (ID management) is difficult, time consuming, and
expensive. Over the past few years, companies have begun to emerge to
provide identity (or identification) as a service (IDaaS), or cloud-based
This chapter examines examines cloud-based ID management in detail. By the time you finish this
chapter, you will be able to do the following:
- Describe challenges related to ID management.
- Describe and discuss single sign-on (SSO) capabilities.
- List the advantages of IDaaS solutions.
- Discuss IDaaS solutions offered by various companies.