Cybersecurity

Two months after cyberattack, the claims tech company’s parent UnitedHealth Group works to identify the ‘substantial proportion’ of people in America whose personal data was compromised.

The hackers who attacked UnitedHealth Group’s Change Healthcare unit were in the company’s networks for more than a week before they launched a ransomware strike that has crippled vital parts of the U.S. healthcare system since February.

The water sector is under pressure to improve cybersecurity protections as hacking threats grow. 

It is the streaming-hardware maker’s second data breach this year, prompting Roku to institute additional security measures.

A lack of data about cyberattacks hinders the study of potential systemic dangers, the International Monetary Fund says.