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In October 2023, the healthcare sector reported more data breaches than any other industry — again. Prospect Medical Holdings was still recovering from an August ransomware attack that forced hospitals across four states to divert ambulances and revert to paper records. CommonSpirit Health's 2022 breach affected over 600,000
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
