Does shinyapps.io have password security and access control, so only my users can access my Shiny applications?

This content has moved to our admin guides and will be removed from Support articles in the near future. Please see our shinyapps.io user guide for up-to-date information. New location: https://docs.posit.co/shinyapps.io/guide/authentication_and_user_management/ 

Yes, shinyapps.io Standard and Professional plans allow you to limit access to your applications. Your application users must have a Google, Githhub, or shinyapps.io account to access your applications securely.