Ukrainians Say Petya Ransomware Hides State-Sponsored Attacks

Published: July 3, 2017, 8:59 a.m.

When a ransomware outbreak exploded from Ukraine across Europe yesterday, disrupting companies, government agencies, and critical infrastructure, it at first appeared to be just another profit-focused cybercriminal scheme---albeit a particularly vicious and damaging one. But its origins in Ukraine raised deeper questions: After all, shadowy hackers have waged a cyberwar there for years, likely at Russia's bidding.