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    1. Atlas
    2. Glossary
    3. Single sign-on (SSO)

    Security & Compliance

    Single sign-on (SSO)

    Single sign-on (SSO) lets users log in once with one set of credentials and access multiple applications without signing in again to each one separately.

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    • Also called: SSO

    Definition

    What is Single sign-on (SSO)?

    Single sign-on (SSO) lets users log in once with one set of credentials and access multiple applications without signing in again to each one separately.

    SSO centralizes authentication. Instead of a separate password for every tool, users authenticate with one trusted identity provider, which then vouches for them to each connected application.

    SSO improves both security and convenience: fewer passwords to steal or reuse, easier enforcement of strong authentication, and instant removal of access when someone leaves, all from one place.

    Atlas supports SSO so organizations can centralize access to the workspace through their identity provider, often paired with SAML and SCIM for enterprise identity management.

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    Related reading

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    FAQ

    Questions, answered.

    How does single sign-on work?
    A user authenticates once with a trusted identity provider. When they open a connected app, it asks the provider to confirm the user's identity, granting access without a new login.
    Is SSO more secure?
    Generally yes. SSO reduces password reuse, centralizes strong authentication like MFA, and lets IT revoke access to all apps at once when someone leaves.

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