An Historical Analysis of the SEAndroid Policy Evolution
Bumjin Im, Ang Chen, Dan S. Wallach · 2018
Android adopted SELinux's mandatory access control (MAC) mechanisms in 2013. Since then, billions of Android devices have benefited from mandatory access control security policies. These policies are expressed in a variety of rules, maintained by Google and extended by Android OEMs. Over the years, the rules have grown to be quite complex, making it challenging to properly understand or configure these policies.