Exclusive: DHS investigating whether floor plans and other security information were exposed in ransomware attack on contractor

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.

​CNN.com – RSS Channel 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. 

​Read More 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.