Criminals behind cyber-attack have raised just $20,000, experts say

Firm investigating illicit activity identifies three associated bitcoin addresses but can’t trace individuals before funds are withdrawnRansomware cyber-attack - live updatesThe global ransomware cyber-attack that targeted tens of thousands of computers in 100 countries and crippled NHS systems appears to have raised just $20,000 (£15,500) for the criminals behind it, experts working with investigators have told the Guardian.Tom Robinson, co-founder of Elliptic, a company that identi