Within mere hours of its public unveiling, the K2 Think model experienced a critical compromise that has sent ripples throughout the cybersecurity community. The newly launched reasoning system, developed by MBZUAI in partnership with G42, was designed to offer unprecedented transparency by exposing its internal decision-making process for compliance and audit purposes. However, this very […]
The post K2 Think AI Model Jailbroken Within Hours After The Release appeared first on Cyber Security News.
ESET Research has uncovered a sophisticated new ransomware variant called HybridPetya, discovered on the VirusTotal sample sharing platform. This malware represents a dangerous evolution of the infamous Petya/NotPetya ransomware family, incorporating advanced capabilities to compromise UEFI-based systems and exploit CVE-2024-7344 to bypass UEFI Secure Boot protections on vulnerable systems. Unlike its predecessors, HybridPetya demonstrates significant […]
The post HybridPetya Exploits UEFI Vulnerability to Bypass Secure Boot on Legacy Systems appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
You must login to view this content
In late July 2025, a series of ransomware samples surfaced on VirusTotal under filenames referencing the notorious Petya and NotPetya attacks. Unlike its predecessors, this new threat—dubbed HybridPetya by ESET analysts—exhibited capabilities that extended beyond conventional userland execution, directly targeting UEFI firmware on vulnerable systems. Through a specially crafted cloak.dat archive and the exploitation of […]
The post New HybridPetya Weaponizing UEFI Vulnerability to Bypass Secure Boot on Outdated Systems appeared first on Cyber Security News.