Update 1/22/23: Title updated as MSI intentionally changed this setting as per statement below. Over 290 MSI motherboards are reportedly affected by an insecure default UEFI Secure Boot setting ...

A new ransomware strain dubbed HybridPetya was able to exploit a patched vulnerability to bypass Unified Extensible Firmware Interface (UEFI) Secure Boot on unrevoked Windows systems, making it the ...

Two research groups demonstrate PC firmware vulnerabilities that are difficult to mitigate and likely to be exploited in the wild. Two teams of researchers have revealed vulnerabilities this week in ...

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 ...

The number of UEFI vulnerabilities discovered in recent years and the failures in patching them or revoking vulnerable binaries within a reasonable time window hasn’t gone unnoticed by threat actors.

Secure Boot is an industry standard for ensuring that Windows devices don’t load malicious firmware or software during the startup process. If you have it turned on—as you should in most cases, and it ...

Disable Secure Boot through UEFI, but only if you really need to This article explains how to disable Secure Boot on your computer. This security feature, enabled by default and included in Unified ...

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 ...