Tags WannaCry Businesses wary of ransomware attacks Tuesday, Jul 11, 2017 The recent WannaCry and ExPetr epidemics have proven to many businesses the crippling impact of having their files held to ransom by cybercriminals. Gov’t issues WannaCry warnings Tuesday, May 16, 2017 The spread of WannaCry ransomware has been wreaking havoc across the world since Friday, and several Vietnamese businesses and agencies are advised to take precautions.