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In February 2024, a ransomware attack on Change Healthcare — one of the largest health payment processors in the United States — disrupted claims processing for hospitals, pharmacies, and clinics across the country for weeks. UnitedHealth Group, its parent company, later confirmed that the personal health information of roughly 100 million individuals
In October 2020, the FBI, CISA, and HHS issued a joint advisory warning of an "imminent and increased" threat of ransomware attacks against U.S. hospitals. Within weeks, Universal Health Services — a Fortune 500 hospital chain operating 400 facilities — confirmed a Ryuk ransomware attack that forced staff to
A Single Ransomware Attack Shut Down Patient Care for 28 Days In early 2024, Change Healthcare — one of the largest health payment processors in the United States — was hit by the ALPHV/BlackCat ransomware group. The breach disrupted claims processing for thousands of providers nationwide. UnitedHealth Group later confirmed approximately
