What Is “Petya” Ransomware? On June 27, 2017, the Petya ransomware began spreading over the world. This cyberattack looked to be an updated version of the Petya malware virus, which spread to unpatched computers using the same Server Message Block vulnerability that WannaCry did, as well as a credential-stealing mechanism to proliferate to non-vulnerable PCs. … Continue reading Petya Ransomware Attack: What Is It? & How to Defend