The vast majority of systems affected by the WannaCry ransomware were running Windows 7, according to data published by Kaspersky.<\/p>\n
Kaspersky’s\u00a0Costin Raiu tweeted<\/a><\/strong> data showing that over 98% of WannaCry victims were using versions of the Windows 7 operating system.<\/p>\n More than 60% of affected users were running Windows 7 64-bit.<\/p>\n According to Kaspersky’s data, more Windows 10 users were affected by the WannaCry ransomware than those running Windows XP.<\/p>\n Microsoft issued a security patch on 14 March which protected users against the attack, although many users did not install the update\u00a0and remained vulnerable.<\/p>\n #WannaCry<\/a> infection distribution by the Windows version. Worst hit – Windows 7 x64. The Windows XP count is insignificant. pic.twitter.com\/5GhORWPQij<\/a><\/p>\n \u2014 Costin Raiu (@craiu) May 19, 2017<\/a><\/p>\n<\/blockquote>\n\n