For questions regarding the appropriate use, settings, and enforcement of user permissions, typically for the purpose of either providing access to shared resources or restricting access to private resources.
Because permissions paradigms can change fairly drastically across operating systems and coding frameworks, setting appropriate permissions for users can be a daunting task that requires a great deal of knowledge about what kinds of access are both safe and necessary for a given task.
Restricting access too much can result in systems that are brittle and frustrating to users. Leaving permissions too open can lead to security and privacy issues. As such, finding the right balance for each application is paramount.
