Snake&Apple VIII — App Sandbox

Introduction to the App Sandbox on macOS with Python

INTRO

Welcome to another article in the series on macOS security internals!

Throughout this series, we have learned about various protection layers that macOS offers to defend us against vulnerabilities and malware.

Still, what if a vulnerability is exploited in one of the apps or the user starts malware despite the Gatekeeper security window, and XProtect did not block it?

The App Sandbox is the answer to this threat, as it mitigates the damage the malware can do when successfully run. This article will examine Sandbox components, such as the kernel extension, private framework, running in the userland daemons, and containers directories, to see how it works.

The table below summarizes all of the subjects described in this article:

Please note that some topics have been intentionally omitted and will be addressed in future articles. However, leave a comment if you have any questions or need clarification about anything written here while reading. I guarantee a response and will use…