Introduction to the Android Operating System and Android Security Features
Android is a Linux kernel mobile platform. Android runs on a wide range of devices, from mobile smartphones and tablets to set-top boxes. The Android mobile operating system is dependent upon the mobile device’s processor capabilities for its performance.
Security is a major part of any Android device. Android was created with openness in mind and is conducive to the use of third-party applications and cloud-based services. Android seems to be a secure and usable operating system for mobile platforms.
The Linux kernel provides Android with a set of security measures. It grants the operating system a user-based permissions model, process isolation, a secure mechanism for IPC, and the ability to remove any unnecessary or potentially insecure parts of the kernel. It further works to prevent multiple system users from accessing each other’s resources and exhausting them.
Android's Five Key Security Features:
1. Security at the operating system level through the Linux kernel
2. Mandatory application sandbox
3. Secure interprocess communication
4. Application signing
5. Application-defined and user-granted permissions
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