Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.

A supply chain failure that compromises Secure Boot protections on computing devices from across the device-making industry extends to a much larger number of models than previously known, including ...

A cyber security research firm has published a shocking report outlining how the Secure Boot feature found on UEFI motherboards was compromised almost two years ago due to its passcode being leaked.

Roughly nine percent of tested firmware images use non-production cryptographic keys that are publicly known or leaked in data breaches, leaving many Secure Boot devices vulnerable to UEFI bootkit ...

Attackers can bypass the Secure Boot process on millions of Intel and ARM microprocessor-based computing systems from multiple vendors, because they all share a previously leaked cryptographic key ...

Every Secure Boot-enabled Windows PC you've used for the last decade has relied on the same set of cryptographic certificates to keep its boot process secure. Those certificates were issued by ...

Event ID 1034: The cause of this informative event being logged is a confirmation that the Secure Boot DBX database has been updated successfully. Modifying or updating the untrusted Secure Boot ...

Microsoft, and its original equipment manufacturer (OEM) partners, are planning to update Secure Boot on Windows Unified Extensible Firmware Interface (UEFI) PCs, starting this year, per a Tuesday ...

Windows 11 now shows Secure Boot alerts to help users prepare for 2026 certificate expiration and avoid security issues.

Do you see Event ID 1796 in your Windows 11/10/Server logs? If the Secure update process cannot complete and fails with an error message— The Secure Boot update ...