#OldNewz #Reminder Expiration June 26, 2026

Heise reports Microsoft warns of a Secure Boot certificate refresh that could affect some servers and devices; admins should update firmware/OS and follow OEM guidance. Details: https://www.heise.de/en/news/Prepare-for-an-impact-Microsoft-warns-of-secure-boot-certificate-update-10462433.html 🔐⚙️ #CyberSecurity #InfoSec #Secureboot #UEFI #Linux

$ sudo apt install efitools
$ sudo efi-readvar -v KEK

If one sees "…Microsoft Corporation KEK CA 2011" Update your BIOS/UEFI/Firmware