HybridPetya is the fourth publicly known real or proof-of-concept bootkit with UEFI Secure Boot bypass functionality 16 Sep 2025 ESET researchers have uncovered a new ransomware strain that they have named HybridPetya. While resembling the infamous Petya/NotPetya malware, it comes… Read More "A Petya/NotPetya copycat comes with a twist"