Rascals are always sociable, and the chief sign that a man has any nobility in his character is the little pleasure he takes in others company. Arthur Schopenhauer

Developers for Android do a lot of work with files and exchange them with other apps, for example, to get photos, images, or user data. Developers often make typical mistakes that allow an attacker to gain access to the app’s internal files, which store sensitive data. This article describes the most typical mistakes developers make and gives the best advice on how to fix them. We will also show how Oversecured can discover all these types of errors. Android security checklist: theft of arbitrary files