A freshly formed hacking gang claims to have won access to a massive stash of data stolen from UnitedHealth Group, the largest US health insurer, but with little evidence to go on it is not clear whether they are telling the truth. Hackers walloped UnitedHealth in February, paralysing billions of dollars worth of health insurance payments across the country. The ransomware gang Blackcat initially said on its website that it had stolen 8 terabytes of sensitive records - including medical... Read this story
