Researchers on Wednesday announced a major cybersecurity find—the world’s first-known instance of real-world malware that can hijack a computer’s boot process even when Secure Boot and other advanced ...

ESET Research has discovered new ransomware samples, which it has named HybridPetya, resembling the infamous Petya/NotPetya malware. They were uploaded to VirusTotal in February 2025. HybridPetya ...

The developers of the BlackLotus UEFI bootkit have improved the malware with Secure Boot bypass capabilities that allow it to infect even fully patched Windows 11 systems. BlackLotus is the first ...

Why it matters: Discovered in October 2022, BlackLotus is a powerful UEFI-compatible bootkit sold on underground marketplaces at $5,000 per license. The malware provides impressive capabilities, and a ...

Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026. Microsoft has started ...

For a more detailed analysis and technical breakdown of HybridPetya, check out the latest ESET Research blogpost: "Introducing HybridPetya: Petya/NotPetya copycat with UEFI Secure Boot bypass," on ...

This article describes how to enable Secure Boot to install Windows 11. How Do I Enable Secure Boot? The easiest way to enable Secure Boot is to do so through UEFI. It's typically listed as one of the ...