Android is a mobile operating system built especially for touchscreen mobile devices such as android phones and tablets. It is based on a modified version of the Linux-kernel and other open-source applications. To know more about Android, join the Android Training in Chennai at FITA Academy, which will provide you with a diverse skill set and the best Placement Training. This blog will What are the Features of Android Security.
Android Security Features
The security measures given by Android to make the Android devices you design as secure as possible are listed below.
App sandbox
To identify and isolate app resources, the Android platform employs Linux user-based protection. To do this, Android assigns each Android app a unique user ID (UID) and runs it in its own process. This UID is used by Android to create a kernel-level App Sandbox.
App signing
App signing enables developers to identify the creator of an app and update it without having to create elaborate interfaces and permissions. The developer must sign every programme that runs on the Android platform.
Authentication
Android employs the idea of user-authentication-gated cryptographic keys, which necessitates the storage of cryptographic keys as well as service providers and user authenticators.
Users can enrol one or more fingerprints on devices equipped with a fingerprint sensor and use those fingerprints to unlock the device and conduct other operations. In a Trusted Execution Environment (TEE), the Gatekeeper subsystem handles device pattern/password authentication.
Protected Confirmation is a feature of Android 9 and higher that allows users to explicitly confirm crucial transactions such as payments.
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Biometrics
Android 9 and later feature a BiometricPrompt API that app developers may use to integrate device- and modality-agnostic biometric authentication into their apps. BiometricPrompt can only be integrated with BiometricPrompt.
Encryption
When a device is encrypted, all user-created data is automatically encrypted before being committed to disc, and all reads decrypt data before returning it to the calling process. Encryption assures that even if an unauthorised entity attempts to read the data, they will be unable to do so.
Keystore
Android includes a hardware-backed Keystore that supports key generation, asymmetric key import and export, raw symmetric key import, asymmetric encryption and decryption with suitable padding options, and more.
Security-Enhanced Linux
Android employs Security-Enhanced Linux (SELinux) as part of its security paradigm to enforce mandatory access control (MAC) across all processes, even those running with root/superuser rights (Linux capabilities).
Trusty Trusted Execution Environment (TEE)
Trusty is a safe Operating System (OS) that provides Android with a Trusted Execution Environment (TEE). The Trusty OS uses the same processor as the Android OS, but it is physically and software separated from the rest of the system.
Verified Boot
Verified Boot makes every effort to ensure that every code executed comes from a trusted source (often device OEMs), rather than an attacker or corruption. It establishes a full chain of trust, beginning with a hardware-protected root of trust and progressing to the bootloader, boot partition, and additional certified partitions.
Hopefully, you enjoyed this blog and now understand everything about Android, including What are the Features of Android Security.
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