Single sign-on puts every application behind one central identity provider, so access is granted and revoked in one place and MFA is enforced everywhere.
My pickOkta Workforce IdentityOkta Workforce Identity is an identity provider with a large integration catalog and lifecycle automation.
Identity providers differ in the size of their app catalogs, how well they automate joiners, movers and leavers, and their price per user. Compare how well each integrates with your HR system and your most important apps.
Why it works
Former employees and orphaned accounts are a common way in. SSO makes offboarding instant and lets you enforce strong authentication consistently.
What to look for
It should support SAML or OIDC for your critical apps.
It should provision and deprovision accounts automatically through SCIM.