【明報專訊】OVER the past few days WannaCry (Wcry), a piece of ransomware, has wreaked havoc in all parts of the globe. The cyberattack has affected over 300,000 computers in over 150 countries and regions. Not spared, Hong Kong has seen at least thirty-one cases. The attack with the ransomware is unprecedented in scale. It remains to be investigated who the mastermind behind it is.