(This depends on whether you are running an administrator’s account or not.
Without sandboxing, any application can read and write files almost anywhere on your Mac. In computer security, sandboxing is similar any application you run is in a “sandbox” that prevents it from going beyond certain boundaries and performing actions that it shouldn’t. A traditional sandbox has boundaries that allows kids to play within a certain space. One of Mountain Lion’s marquee security features is called sandboxing. Here’s an overview of the new or changed security features in Mountain Lion: Sandboxing What interests us here, however, is the numerous security features that have been added to Mountain Lion or that have been changed since Mac OS X 10.7 Lion. Mountain Lion includes a number of new features and brings to OS X many facets and ideas that Apple uses in iOS, the operating system that runs the iPhone, iPad and iPod touch. Today Apple released OS X 10.8 Mountain Lion, the latest version of the operating system that runs Macs. Apple + Recommended + Security News New Security Features in OS X Mountain Lion