Why the ‘WannaCrypt’ attack works so well: the insidious threat of technology debt (Out of Support Software)

On Friday 12th May, malware called WannaCrypt (WannaCry/WCry) infected 76,000 machines in 150 countries and impacted 200,000 worldwide, notably Russia, Ukraine, Taiwan and India. It affected 48 NHS organisations and impacted the likes of FedEx, Nissan, Telefónica and Renault. Over that weekend, it was warned that WCry2 would be released which removed the original coding…