Dealing with Secure Boot. In addition to implementing a new boot protocol, UEFI adds a new feature that can improve system security, but that also has the potential to cause a great deal of confusion and trouble: Secure Boot. As the name implies, Secure Boot is intended as a security feature. By its very nature, though, Secure Boot can also make it harder to boot Linux, particularly on commodity PCs that ship with Windows pre-installed. This page provides an overview of what Secure Boot is and how the Linux community is responding to it. Although Secure Boot is developing less rapidly than it was in late 2012, when I first wrote this page, it's still a dynamic area. In other words, things may have changed!