Analysis of SSO permissions requested across apps

Overall, we assessed 21,163 Android apps, successfully logging into 678 (3.20%) using Facebook as the IdP and 1,716 (8.11%) using Google as the IdP.


Distribution of Facebook SSO permissions on apps
Bars show the number of requested Facebook SSO permissions by Android apps. As shown, the top three most common permissions for Facebook are: "Birthday", "Gender", and "Photos".

Distribution of Google SSO permissions on apps
Bars show the number of Google SSO permissions by Android apps. As shown, the top three most common permissions for Google are: "Google play games activity", "Exact date of birth", and "Configuration data in Google drive". The labels in parentheses indicate whether the permission involves read (R) and/or write (W) access.