A new piece of ransomware can encrypt a drive’s EFI boot partition. (Image source: ESET Security) A new form of ransomware, dubbed HybridPetya, is able to bypass UEFI Secure Boot and can install malware on a system’s EFI boot partition. This means that HybridPetya can hold a computer hard drive ransom by preventing it from booting into Windows. It appears …
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Cybersecurity researchers have discovered a new ransomware strain dubbed HybridPetya that resembles the notorious Petya/NotPetya malware, while also incorporating the ability to bypass the Secure Boot mechanism in Unified Extensible Firmware Interface (UEFI) systems using a now-patched vulnerability disclosed earlier this year. Slovakian cybersecurity company ESET said the samples were uploaded to the VirusTotal platform in February 2025. “HybridPetya encrypts …
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Researchers have been able to heat up a sample of solid gold to over 14 times its melting temperature for a fraction of a second, bypassing a theoretical limit known as the entropy catastrophe. The approach, known as superheating, might lead to a better understanding of how substances change phase at a fundamental level and even to improved production of …
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