IronSights

Identity & access

Single sign-onSSO

An authentication method that allows users to log in once with a single set of credentials and gain access to multiple applications without re-authenticating for each one.

Also known asSSOsingle sign on

In plain English

SSO lets your staff log in to their computer once — or authenticate through Microsoft Entra ID — and access all connected applications (email, CRM, cloud storage, HR systems) without entering separate passwords for each. This improves productivity and, when combined with MFA, can actually reduce security risk compared to managing dozens of separate passwords.

Keep learning

More terms in the IronSights Glossary.