Glossary term
What is SSO (Single Sign-On)?
SSO stands for Single Sign-On.
Log in once, access many apps. Example: Company login gives access to email, Slack and HR tools.
Learn it properly · System DesignLesson 50: OAuth 2.0 & OpenID Connect ExplainedApps used to ask for your Google password to print your photos. How OAuth 2.0 hands out limited, expiring, revocable “valet keys” instead, how OpenID Connect adds login on top, and the flows and checks that keep it secure.