The entitlements are managed by Apple, and thereby allow Apple to centralize how sandboxed programs can access resources in OS X. To then meet the program's needs, the developer includes a sandbox rule called an "entitlement," that allows the program to access the needed resource defined in that entitlement. When enabled, the program will by default have no access to the system resources, including the network, user documents, the ability to open and save files, access to peripherals such as printers and cameras, and access to locations, address books, calendars, and similar central services. The system cannot do this itself, so the developer voluntarily turns on sandboxing for its program. The way this works is a virtual barrier called a "sandbox" is set up around a running program that isolates it from the rest of the system.
#What is apple sandbox mac
Sandboxing is a security technique that acts as a last line of defense against exploited, buggy, or otherwise compromised applications, which Apple is implementing to ensure programs distributed through the Mac App Store are as safe and secure as possible.
Since Apple initially scheduled to implement this requirement in November of this year, this announcement is nothing new and is more of a timeframe shift than anything else however, it still raises questions and concern over what this means for developers and end users. Recently Apple announced to developers that beginning in March 2012, all applications submitted to the Mac App Store will require support for Apple's sandboxing routines.
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