Secure Boot locked me out of my own Windows laptop. Here's what finally fixed it

You turn on your laptop. Or at least, you try. The screen stays black, with just nine words displayed in white: Invalid ...
ZDNet

Your Linux PC has a Secure Boot problem – what to do first (and the workaround to avoid)

Back in the late 2000s, computer firmware was moving from legacy BIOS to UEFI Unified Extensible Firmware Interface (UEFI). Alongside it came Secure Boot. This Microsoft-supported security mechanism ...
The Windows Club

Event ID 1801, Secure Boot CA/keys need to be updated

In this post, we are going to see what you can do to resolve Event ID 1801, Secure Boot CA/keys need to be updated. Event ID 1801 is a warning logged by Windows to indicate that the Secure Boot ...
Ars Technica

Microsoft’s Secure Boot has been broken for a decade and no one noticed until now

An industry-wide standard Microsoft invented to protect Windows, and later Linux, devices from firmware infections has been trivial to bypass for 13 of its 14 years of existence. The discovery was ...