WannaCry still exists on an estimated 145,000 devices, according to security vendor Armis. Nearly 60% of manufacturing and 40% of healthcare organizations have had at least one device compromised by the malware, the company found. The continued success is mainly due to unpatched versions of Microsoft Windows that are embedded in hard-to-update industrial and enterprise devices, says Armis’ Ben Seri. The attack hit healthcare systems and manufacturers the hardest, as they had Microsoft Windows embedded in critical operations and information technology that the organizations needed to operate.”]
Source: https://www.darkreading.com/attacks-breaches/wannacry-lives-on-in-145k-infected-devices