Washington: A group of Russian-speaking hackers has attacked recently several hospitals in the United States by using ransomware, the Wall Street Journal said on Thursday.
At least three hospitals were targeted in cyberattacks earlier this week, US-based cybersecurity firm Mandiant Chief Technology Officer Charles Carmakal said.
Read:|FBI warns ransomware assault threatening US healthcare system
US analysts have linked the attack to an Easter European hacker group known as UNC1878, the report also said.