Washington | Hackers suspected to be behind a mass extortion attack that affected hundreds of companies worldwide demanded $US70 million ($93 million) late on Sunday (Monday AEST) to restore the data they are holding ransom, according to a posting on a dark web site.
The demand was posted on a blog typically used by the REvil cyber-crime gang, a Russia-linked group that is counted among the cyber-criminal world’s most prolific extortionists.
