Op [[12 Mei]] [[2017]] iswas baietalle gebruikers van die [[Microsoft Windows]]-bedryfstelsel regooroor die wêreld, enasook die kritieke stelsels waaropwat hullewaarop staatmaak, slagoffers van die kwaadwillige WannaCrypt-sagteware.<ref>{{cite web|last1=The GenX Times Team|title=WannaCry Ransomware attack computers worldwide, using NSA exploit codenamed Eternalblue|url=http://www.thegenxtimes.com/world/wannacry-ransomware-attack-computers-worldwide-using-nsa-exploit-codenamed-eternalblue/|access-date=13 MayMei 2017}}</ref>
Ongeveer 230 000 rekenaars in 150 lande is geraak deur diehierdie kuberaanvalle.<ref>{{cite web|title=WannaCry Infecting More Than 230,000 Computers In 99 Countries|url=https://www.eyerys.com/articles/timeline/wannacry-infecting-more-230000-computers-99-countries|website=Eyerys|date=12 MayMei 2017}}</ref>
As gevolg van die virus het Microsoft 'n hoogs ongewone stap geneem om beveiligingsopdaterings vir alle kliënte te bied om Windows-stelsels wat hul hoofstroomondersteuning verloor het, te beskerm, waaronder Windows XP, [[Windows 8]] en Windows Server 2003.<ref name="unsupported">{{cite news|last1=Surur|title=Microsoft release Wannacrypt patch for unsupported Windows XP, Windows 8 and Windows Server 2003|url=https://mspoweruser.com/microsoft-release-wannacrypt-patch-unsupported-windows-xp-windows-8-windows-server-2003/|access-date=13 MayMei 2017|date=13 MayMei 2017}}</ref>
