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 ...

Some signed third-party bootloaders for the Unified Extensible Firmware Interface (UEFI) could allow attackers to execute unauthorized code in an early stage of the boot process, before the operating ...

Bottom line: Microsoft has addressed a significant security vulnerability that left Windows 11 open to malware attacks at one of the system's most critical levels for more than half a year. It's ...

ESET researchers have uncovered a vulnerability that, if exploited, would allow bad actors to circumvent UEFI Secure Boot and deploy malicious UEFI bootkits such as Bootkitty or BlackLotus on ...

A new UEFI Secure Boot bypass vulnerability tracked as CVE-2024-7344 that affects a Microsoft-signed application could be exploited to deploy bootkits even if Secure Boot protection is active. The ...

A recently patched security vulnerability in Unified Extensible Firmware Interface (UEFI) systems could allow attackers to bypass Secure Boot protections and compromise system safety during the boot ...

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 ...

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 ...

As a good PC user, I run security software in Windows to protect my computer from malware that may pop up as I go about my day. But what about malware that tries to launch before Windows even loads?

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 ...

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