Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...

Make sure you've updated before the deadline.

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 ...

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 ...

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 ...

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 ...

The functionality of the bootkit and its individual features make ESET Research believe that it is a threat known as BlackLotus, a UEFI bootkit that has been sold on hacking forums for USD$5,000 since ...

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