Playing with UEFI

One way hackers can compromise systems is by attacking the system before it boots. In order to prevent this, you must secure the operating system by enabling security in UEFI. In other words, you cannot run software if it cannot be trusted to execute code correctly because untrusted software can tamper with your bootloader or, even worse, compromise your firmware. To solve this, a new, secure method is required to boot systems, called UEFI. UEFI is implemented in the firmware and has become the interface between your hardware and the operating system, replacing the legacy BIOS firmware that was previously the industry default. A feature of UEFI is Secure Boot, which ensures that your system boots by only using software trusted by the hardware manufacturer of your system. In addition, it provides a verification mechanism (by verifying each piece of boot software by using cryptographic checksums and signatures) to ensure that the code that is launched is trusted by...