> ## Documentation Index > Fetch the complete documentation index at: https://docs.plerion.com/llms.txt > Use this file to discover all available pages before exploring further. # GitHub single sign-on > Sign in to Plerion using your GitHub account with OAuth-based single sign-on With **\[GitHub single sign-on (SSO)]**, your team can sign in to Plerion using their existing GitHub accounts. You must be a member of an existing Plerion organization to sign in with GitHub SSO. *** ## Steps to sign in with GitHub SSO Plerion login page with GitHub SSO button GitHub displays an authorization page for **Plerion authentication**. This page shows the permissions Plerion requests: * **Organizations and teams**: Read-only access to your organization and team membership. * \**Personal user data*: Read-only access to your email addresses and profile information. Click `Authorize` to continue. GitHub OAuth authorization page showing Plerion authentication permissions and organization access After authorization, GitHub redirects you back to Plerion and you are signed in. On subsequent logins, you will not need to re-authorize unless the app's permissions change.