The Night Hospitals Went Dark
Ryuk crippled UHS in 2020, disrupting 400 hospitals, costing $67M, and exposing how ransomware directly threatens patient safety.
The Ryuk Ransomware Attack on Universal Health Services, 2020
On the night of September 27, 2020, as doctors and nurses worked through the pandemic’s chaos, one of America’s largest hospital networks suddenly fell silent. Screens froze. Systems locked. Across more than 400 facilities, Universal Health Services (UHS) watched its digital backbone collapse.
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