
They are completely logged out of their SSO provider Usability Some reasons that I'm not comfortable with After logging out of SE, my gmail tab continues to work.(which I assume is delete-local-browser-cache vs invalidate-serverside-session). It is my choice whether to only log me out of this device, or all devices.It shows that I will be logged out of all Stack Exchange domains.There's probably no right answer here, but I'll advocate that "Log Out" only applies to your site. This can be a technical limitation due to the technologies involved (and/or licenses) (usually mitigated with short session times / cookie lifetimes). but there is no implicit logout to all systems in the SSO.

When a user does a logout, inform the SSO provider and do not allow any new sessions and logout of the current application.When a user does a Logout, immediately invalidate ALL sessions for this user and log him/her/it out from any and all systems part of the SSO.

(mostly used in the context of an intranet or similar environment)įrom a security standpoint I have observed the following arguments:
