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Secure start-up systems guard sensitive data and ward off the making of changes that are not authorized. They also ensure that only digitally certified and signed software is executed. This is particularly important when using devices that are on the edge which are susceptible to attack.

Secure Boot is a protocol that runs on UEFI, the Unified Extensible Firmware Interface. It operates every time the system is booted. It works hand-in-hand with the TPM (Trusted Platform Module) which is a hardware-based security tool that provides additional protection of data where software-based security cannot.

With Secure Boot, the bootloader file is verified to be authentic prior to the operating system and other functional applications are able to be started. This ensures that the kernel, drivers, and other components are genuine. Cryptography is used to implement the security mechanisms. To ensure that secure boot is effective, the code used in the bootloader, operating system and other functional programs must be developed in a secure manner and thoroughly tested for any flaws as part of the development process for software.

If you’d like to use the secure startup feature of your LG device you will need a pattern or PIN. If someone attempts to guess your pin or pattern by trial and error for more than a predetermined number of times the device will be locked and require a password for access in order to restore functionality. This prevents the unauthorized access of your device and all the information stored therein. It could also keep accidental misuse by someone who could have gained physical access to it.

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