Identity as a service
The traditional methods of software implementation and access from a local installation at standalone servers are slowly and steadily migrating to centralized cloud-based service models. Furthermore, application hosting and access from cloud-based models are available as subscription services. When software is delivered as a service through the Internet cloud, then it is generically termed as Software as a Service (SaaS).
Note
Some of the popular cloud-based services include Google cloud, which provides Platform as a Service. Amazon AWS provides PaaS and Infrastructure as a Service (IaaS) and Salesforce provides SaaS.
Similarly, identity and access management applications and associated services are delivered through subscription-based cloud models. Such services are termed as Identity as a Service (IDaaS). While such services provide flexibility and cost effectiveness, there are security concerns due to the open nature of the Internet.
Security concerns
The following are...