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Single Sign‑On (SSO)
Authentication
Logging in once to access multiple services.
Definition
Single sign‑on lets you log in once and then access many apps without signing in again.
In plain English
Logging in once to access multiple services.
Why this matters
Why it matters: It can improve security with central controls, but also concentrates risk.
Example
Example: You sign in with your organization account and access email, chat, and documents.