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    IDaaS and its growing importance in the current identity security landscape

    By Ronak D Jain

    Identity Leadership Consultant

    Introduction to IDaaS

    In the beginning, platforms hosting and providing identity-as-a-service solutions revolved around the practice of identity federation to web-based applications. True Identity as a Service (IDaaS) was introduced by Microsoft. Being the market leader of on-premises identity providers over the last two decades, the only competition to Microsoft's Active Directory (AD) was OpenLDAP, a free open-source implementation of the Lightweight Directory Access Protocol. The difference between the two was flexibility and technical design. While managing LINUX systems with AD was difficult, OpenLDAP effortlessly served as a stronger candidate, because it was modeled to handle platforms with greater technicalities.

    Owing to the first-generation of identity functions, organizations had no choice but to implement and manage with both AD and LDAP. As if the management of these two wasn't enough, organizations then had to integrate IDaaS SSO solution by adding it as a layer on top of AD and LDAP for their applications that were cloud-based. Complexities surrounding the system, due to layers of solutions from different providers for different operating systems, were evidently overwhelming.

    The introduction of next-generation IDaaS (also known as directory-as-a-service, or DaaS) was the solution that addressed system complexities. It consolidated the functions of a cloud-identity provider through functions like the safe management and federation of identities of users to their systems, which include both cloud and on-premises applications. DaaS supported both multi-factor authentication (MFA) and single sign-on (SSO). Apart from MFA and SSO, the provision of centralized user-management was one of the most advantageous aspects of the next-gen IDaaS. All of these functions and provisions were available in a single application, which was the primary purpose of this iteration. Ultimately, via the next gen IDaaS, organizations no longer had to separately manage AD, OpenLDAP, and SSO.

    Gartner defines IDaaS as, “a predominantly cloud-based service in a multi-tenant or dedicated and hosted delivery model that brokers core identity governance and administration (IGA), access and intelligence functions to target systems on customers' premises and in the cloud.”

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