Hacker group REvil demands US$70m in Bitcoin to end biggest-ever ransomware assault

A notorious hacker group known as REvil – “Ransomware Evil” – has used an exploit to encrypt thousands of enterprise systems worldwide and is demanding US$70 million ($92 million) in Bitcoin to release the data. The hackers exploited a vulnerability in a remote monitoring and management platform called Kaseya VSA to distribute their malware around…