I'm assuming the issue is that some exploit in the last year has resulted in the UEFI being revoked. Can I ignore this warning, turn off secure boot, update Ubuntu, and then turn it back on? Or do I ...

Secure Boot, a tool that’s built into hundreds of millions of PCs to keep them from loading unverified software via UEFI, is a fundamental cornerstone of modern computer security. It uses ...

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 ...