News Headline: UnitedHealth Data Breach Affects 100 Million Individuals in the US, Marking the Nation's Largest Breach

According to information from the U.S. Department of Health's website, a hacking incident involving UnitedHealth Group's Change Healthcare unit affected the personal data of approximately 100 million individuals. This incident is recorded as the largest data breach in the United States. The breach occurred in February and was executed by a hacker group known as ALPHV, also referred to as "BlackCat." UnitedHealth first acknowledged the security issue on February 21. Subsequently, the company issued a public announcement in June concerning the ransomware attack. This announcement was part of UnitedHealth’s responsibility to inform potentially affected individuals, representing about one-third of the U.S. population, regarding the private data that might have been compromised during the incident. So far, UnitedHealth has not responded to inquiries about the breach. The data breach in Change Healthcare, a unit of UnitedHealth, has become a major concern and highlights the vulnerability of personal information in the healthcare sector.