December 2018
Beginner to intermediate
328 pages
8h 29m
English
Content preview from Learning Android Forensics - Second Edition
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Application sandboxing
In order to isolate applications from each other, Android takes advantage of the Linux user-based protection model. In Linux systems, each user is assigned a unique User ID (UID) and users are segregated so that one user does not have access to the data of another. All resources under a particular user are run with the same privileges. Similarly, each Android application is assigned a UID and is run as a separate process. What this means is that, even if an installed application tries to do something malicious, it can do it only within its context and with the permissions it has. This application sandboxing is done at the kernel level. The security between applications and the system at the process level is ensured ...
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