Revoking Access to an App

Go to https://security.google.com/settings/security/permissions

Or to your configuration https://www.google.com/settings/personalinfo and there to security. From there go to the section Account permissions (Control which apps and websites have access to your account information). Choose the link View All.

• Remember to kill the session if you want to check that the permit has been effectively removed.
• Go to chrome and open a window in incognito mode
• Attempt to access the URL that requires Google Authentication in your service
• It has to ask you for permits again