Expel links CylindricalCanine to DigiCert's April 2026 breach, where stolen certificates were used to sign Zhong Stealer and ...

The images are known as shims, which were invented to extend Secure Boot to Linux devices and utility software. Using a ...

Eleven old Microsoft-signed UEFI shims could let admin-level attackers bypass Secure Boot and run code before the operating ...

Millions of PCs running Windows face a ticking clock as certificates that anchor the Secure Boot trust chain are set to expire in 2026, and the first deadline arrives in June. The issue, tracked in ...

Post-quantum cryptography comes to Windows TLS with Microsoft's July 14 Patch Tuesday update, which ships three ML-KEM hybrid ...

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June and October 2026. Most PC owners are fine if they install the latest updates. Last year's ...

Microsoft is warning users about an issue you may not have heard of. In the Device Security menu of the Windows Security app, some PCs now have a notice showing a Secure Boot certificate connected to ...

PCWorld reports that Windows Secure Boot certificates expire on June 24th, affecting both Windows 10 and 11 systems receiving security updates. Users must install latest Windows updates to receive new ...

PCWorld highlights that Windows PCs face security risks from outdated Secure Boot certificates, with older 2011 certificates expiring in 2026. These certificates verify software authenticity during ...

ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI ...

When using a USB drive, if you receive an error that says— Code 39, Windows cannot load the device driver, this post will help you resolve the problem. The error ...

CrashStealer Mac malware uses a signed Werkbit installer and fake password prompt to steal Keychain data, browser credentials ...