The images are known as shims, which were invented to extend Secure Boot to Linux devices and utility software. Using a technique simple enough to be performed by novice hackers, these old, forgotten ...

ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities Following is the ...

Researchers recently discovered 11 vulnerable but still trusted UEFI shim bootloaders that attackers could have used to bypass Secure Boot on systems that trust Microsoft's third-party UEFI signing ...

Chief Technology Officer at RunSafe Security, Inc. He has over a decade of experience in cybersecurity, on both the offensive ...

ESET researchers discovered 11 old, Microsoft-signed, UEFI applications that allow bypassing UEFI Secure Boot on the majority of UEFI-based ...

As it turns out, the batch of expiring Secure Boot certificates isn't the only Secure Boot-related concern that Microsoft and the public need to worry about this year. ESET Researchers have uncovered ...

Attackers could bypass UEFI Secure Boot on a wide range of systems thanks to 11 Microsoft-signed UEFI shim bootloaders carrying vulnerabilities that have remained buried for more than a decade, ...

Secure Boot has been bypassed for years via unrevoked Microsoft-signed shims dating to 2013. Patch Tuesday June 2026 fixes it - but check now.

Software development, much like making a stew that's a perfect umami bomb in every bite, is a tricky business. Every major commercial product is touched by many hands, and sometimes the chefs leave ...

Computer operating systems run the gamut. While some have the reputation for being less efficient than others, this isn't ...

Microsoft has officially unveiled Azure Linux 4.0, the latest version of its open-source Linux distribution designed for cloud infrastructure, enterprise workloads, and modern data centers. Formerly ...

Secure Boot is one of Windows 11's key security features. It helps protect a computer by allowing only trusted software to load during startup. However, Microsoft says some older hardware cannot fully ...