Exclusive: DHS investigating whether floor plans and other security information were exposed in ransomware attack on contractor
By Priscilla Alvarez and Sean Lyngaas, CNN (CNN) — Senior Department of Homeland Security officials are working to determine whether a ransomware attack on government contractor Johnson Controls International has compromised sensitive physical security information such as DHS floor plans, according to internal DHS correspondence reviewed by CNN. Johnson Controls, a major manufacturer of alarm
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