By Gilles Hilary, Chaired Professor, Houston Term Professor, Department of Accounting and Control, Georgetown University, chercheur associé au Centre de recherche

"What happened?
On Friday May 12^th 2017, WannaCry began affecting computers worldwide. The infection started in Asia in the early morning and spread worldwide. Within a day, over 200,000 computers were reported to have been infected¹. Sixteen British hospitals were unable to access their systems. Companies such as Renault, Deutsche Bahn and Telephonica were also affected. By May 14^th, more than 150 countries had been hit. (...)"

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