Introduction As our reliance on technology grows, so does the need for robust security measures that protect systems from unauthorized access and malicious attacks. One critical area of focus is the system’s boot process, a vulnerable phase where malware, rootkits, and other threats can potentially infiltrate and compromise the entire operating system. This is where Secure Boot, a feature of the UEFI (Unified Extensible Firmware Interface), comes into play, providing a defense mechanism against unauthorized software being loaded during the boot process. Ubuntu, one of the most widely used Linux distributions, implements Secure Boot as part of its strategy to protect user systems from threats. While Secure Boot has stirred some debate in the open-source community due to its reliance on cryptographic signatures, its value in ensuring system integrity is undeniable. In this article, we will explore what Secure Boot is, how Ubuntu implements it, and its role in enhancing system security....
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