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.
While startups across most sectors face a difficult fundraising environment, cybersecurity startups are showing signs of life, thanks in part to their sector’s ties to artificial intelligence.
A breach detected on Sunday was possibly the work of a cybercrime group, the company says, adding that it is in the process of restoring normal business operations.
WSJ Cybersecurity spoke with Rinki Sethi, chief information security officer of fintech company Bill, about how boards can improve how they oversee cybersecurity.
Hours after UnitedHealth Group said it expects more than $1 billion in costs this year from a February cyberattack, U.S. lawmakers during a hearing questioned whether the dominant position of a few healthcare giants increases cyber risk for the industry.
The hotel and casino operator says the agency’s chair should be removed from the investigation.
A lack of data about cyberattacks hinders the study of potential systemic dangers, the International Monetary Fund says.
The consumer-health company saw a surge in scams targeting employees around the time of its separation from Johnson & Johnson last year.
Some medical providers say they have been ignored, others pressured to make positive statements.
Mastercard, AT&T and other companies from critical-infrastructure sectors tested hacking defenses this week.