Shut Down Everything: Massive Ransomware Attack Hits As Many As 1,500 U.S. Businesses

“Everything shut down,” she said in an interview. “You couldn’t open any document, you’re completely locked from all your files.” McKay learned later that day that the town had been a victim of the massive ransomware attack that breached a popular software made by the information technology company Kaseya. The attack reached Leonardtown through its IT management company, JustTech, which uses the affected Kaseya product, JustTech told McKay. Widespread ransomware attack likely hit ‘thousands’ of companies on eve of long weekend-