comscore WannaCry ransomware attack: Microsoft Windows 7 most affected OS, XP count insignificant says Kaspersky

WannaCry ransomware attack: Microsoft Windows 7 most affected OS, XP count insignificant says Kaspersky

Windows XP was the most suspected to be affected by WannaCry as Microsoft had stopped mainstream support for the OS.

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The WannaCry ransomware caused an online upheaval globally as it managed to affect over 200,000 systems in 150 countries. WannaCry, which was a Windows vulnerability took control of a user s system, locked important files and asked for a ransom of $300 to $600 in Bitcoin. Microsoft immediately issued security patch for its unsupported systems, Windows XP, 8 and Server 2003 following this attack. While it was acknowledged that the aforementioned operating systems would account for the most number of victims, a new Kaspersky report says that devices running Windows 7 was the most affected out of the lot. Also Read - Microsoft Surface Duo to receive three years of Android OS and security updates

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Kaspersky Lab has shared a table that shows different Windows operating system versions and the number of devices running on them. Surprisingly, the most accused and presumed OS to be affected Windows XP had less than one in a thousand devices affected accounting for hardly 0.1 percent. Window 2008 R2 Server accounted for 1.5 percent of the total devices hacked. Windows 10 x64 was also in the list and accounted for 0.03 percent. Windows 7, on the other hand, had over 90 percent devices running on it hacked.


According to the data, 60.35 percent devices running on Windows 7 x64 were hacked, followed by 31.72 percent on Windows 7, 3.67 percent on Windows 7 Home x64 Edition and 2.61 percent on Windows 7 Home. Windows 7 was released back in 2009 and it still is the most commonly used operating systems globally. According to Netmarketshare, Windows 7 runs on 48.5 percent of devices, followed by Window 10 on 26.28 percent and Windows XP on 7.04 percent. ALSO READ: Microsoft issues security patch for Windows XP, 8, Server 2003 after WannaCrypt ransomware attacks

Interestingly, Microsoft had already issued a security patch for Windows 7 back in March and the Windows XP users received the same only after a day of the WannaCry ransomware being spread. Although Microsoft did advise all its users to update their systems, the most thought of operating system to be at risk was Windows XP. But the fact that a security patch had already been issued to Windows 7 before the attack even began, and it still managed to account for most of the devices hacked, says a lot about the lax attitude people have towards updating their systems. ALSO READ: No, I don t WannaCry, but we re all collectively responsible for a lot of pain around us

Funnily, Microsoft had been heavily criticized for not having their older systems updated despite knowing the importance of installing a security patch for such attacks. The latest data by Kaspersky however suggests that Windows XP was hardly affected and Windows 7 got the larger share of the WannaCry bait. ALSO READ: WannaCry Ransomware: 22-year-old accidentally stops attacks, warns against more to come

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  • Published Date: May 22, 2017 9:36 AM IST

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