Secure start-up systems safeguard sensitive data and stop any unauthorized changes. They also ensure that only digitally certified and signed programs are executed. This is especially crucial when you are using devices at the edge that are vulnerable to attacks.
Secure Boot is a protocol that runs on UEFI, the Unified Extensible Firmware Interface. It runs each time the system starts. It works hand-in-hand with the TPM (Trusted Platform Module) which is a hardware-based security device that provides additional protection for data when software-based security can’t.
With Secure Boot, the bootloader file is checked to be authentic before the operating system and other applications can be started. This ensures that the kernel and drivers are genuine. Cryptography is used to implement the security mechanisms. To ensure that secure boot is efficient, the code in the bootloader operating system, as well as other functional applications must be developed in a secure manner and thoroughly tested for any flaws that may be discovered as part of the process of software development.
If you want to use the secure start feature on your LG device it is required to have a PIN or a pattern. If someone attempts to guess your pin by trial and error for more than a certain number More hints of times, it will disable the device and require an administrator password to allow access. This will prevent unauthorized access to the device and its information and prevents accidental misuse by anyone else who may have physical access.