Galaxy S4 Knox Security, How It Works
Samsung KNOX is a sophisticated mobile security platform designed for business use. Featured in the newest Galaxy series smartphone, the Samsung Galaxy S4, KNOX helps keep data secure.
Samsung Knox on Galaxy S4 keeps personal files separate from business files and uses advanced data encryption. The entire system is kept secure using three strategies making the Galaxy S4 ideal for bringing your own device (BYOD) where employees bring their personal devices to work for business use.
The three levels of security in Samsung KNOX consist of Secure Boot, ARM TrustZone-based Integrity Measurement Architecture (TIMA), and kernel that features built-in Security Enhancements (SE) for Android access controls.
To ensure that only authorized and verified software can load up on the Galaxy S4, secure boot acts as the first line of defense against malicious attacks. TIMA monitors the Linux kernel that the Android OS is based off of and is capable of performing functions to protect the system.
TIMA may disable the kernel and shut down the device if an integrity breach is detected in the Linux kernel or bootloader. To enforce the separation of information, SE for Android acts as an enhanced tool that isolates apps and data into separate areas. This helps to reduce possible instances of device tampering and application security bypassing. Damage caused by flawed or malicious apps are also minimized with SE.
Using the Samsung KNOX Container, a secure area can be created for corporate apps and data only. Employees can have a single device to use for both work and personal use. Personal data is kept securely and separately from business data. Samsung Galaxy S4, with its Knox advanced security and management features, make it the ideal BYOD device for IT managers and employees.
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