If you’re unfamiliar with IDaaS, you can think of it as outsourcing the burden of providing internet SSO to a third party, where
On-premises identity stores
Identity bridge
IDaaS (e.g. Azure AD)
Cloud service providers
Not a laundry list; I want to highlight a few features
Superset of free Azure AD
Can easily add MFA through PhoneFactor (mobile app, phone call, or text message)
Reports to track inconsistent access patterns - under rapid development. e.g. alerting is simple email, but evolving soon
Cloud Application Proxy: Access corporate web-based apps via an Azure AD web portal, right alongside other SaaS apps