Change Healthcare, a subsidiary of UnitedHealth Group, said it has “substantially” completed identifying and notifying individuals affected by the Feb. 21 ransomware attack.

Change Healthcare began sending customer notifications regarding the data breach, beginning on July 29, 2024. Since then, further notices have continued to be sent out on a rolling basis.

A February 2024 ransomware attack on UnitedHealth-owned health tech company Change Healthcare stands as the largest data breach of health and medical data in U.S. history.

According to Change Healthcare, letters notifying business customers of the breach started being sent out back in June but New Yorkers have been receiving them as recently as September and October.

On March 5, almost two weeks after Change Healthcare first reported what it initially called a cybersecurity "issue," the U.S. Department of Health and Human Services announced several assistance ...

In February, a massive cyberattack at UnitedHealth-owned Change Healthcare shut down many of the financial operations of healthcare organizations. The industry is still recovering. Providers have ...

Dive Brief: Change Healthcare was hit by a cyberattack that could cause network disruptions at the healthcare technology firm through at least the end of the day Thursday.; The company, which is ...

Change Healthcare also has a dedicated call center available both to access those services and to access emotional support services. You can reach that call center at 1-866-262-5342.

The ongoing impact of the February 21 Change Healthcare cyberattack and subsequent system outage threatens the sustainability of physician practices across the country, possibly resulting in closures, ...

Change Healthcare says it noticed signs of ransomware in its system in February and notified law enforcement. In May, its CEO Andrew Witty testified to Congress that the breach exposed sensitive ...

Just over a year ago, cybercriminals launched a ransomware attack on clearinghouse Change Healthcare in what became the biggest hack to ever hit the healthcare industry. In late January ...

The cyberattack began on Feb. 21 against Change Healthcare, which is a health care technology company that is part of Optum and owned by UnitedHealth Group, according to the American Hospital ...