March 2016
Intermediate to advanced
312 pages
7h 15m
English
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iOS isolation
The iOS operating system isolates each and every app on the system. Apps are not allowed to view or modify each other's data, business logic, and so on. Isolation prevents one app from knowing whether any other app is present on the system or whether apps can access the iOS operating system kernel until the device is jailbroken. This ensures a high degree of separation between the app and operating system.
iOS provides two types of isolation:
- Process isolation
- Filesystem isolation
Process isolation
In process isolation, it is not possible for a random app to read another's memory region. Inter-app communication is restricted; there are no IPCs available for any process to communicate with another process.
All apps run in their own sandboxes. ...
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