Wikipedia : declared in WannaCry ransomware attack

[112]See also [ edit ]Notes [ edit ]^ www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.comReferences [ edit ][ edit ]Media related to WannaCry ransomware attack at Wikimedia Commons [51] Following the attack, Microsoft released a security patch for Windows XP. [40] The initial infection might have been either through a vulnerability in the network defenses or a very well-crafted spear phishing attack. [43][47]The Windows vulnerability is not a zero-day flaw, but one for which Microsoft had made available a security patch on 14 March 2017,[20] nearly two months before the attack. Edward Snowden said that if the NSA had "privately disclosed the flaw used to attack hospitals when they found it, not when they lost it, [the attack] may not have happened".

Businesses brace for more ransomware attacks as WannaCry wreaks global havoc

The NSA is widely believed to have developed the hacking tool that was leaked online in April and used as a catalyst for the ransomware attack. A Jakarta hospital said on Sunday that the cyber attack had infected 400 computers, disrupting the registration of patients and finding records. The investigations into the attack were in the early stages, and attribution for cyber attacks is notoriously difficult. Renault said on Saturday it had halted manufacturing at plants in Sandouville, France, and Romania to prevent the spread of ransomware in its systems. New versions of the worm are expected, they said, and the extent of the damage from Friday's attack remains unclear.


However, the ransomware also contains a kill switch that may have backfired on its developers, according to security researchers. However, Malwarebytes researcher Jerome Segura said it's too early to tell whether the kill switch will stop the Wana Decryptor attack for good. But unlike other ransomware, Wana Decryptor has been built to spread quickly. The kill switch appears to work like this: If the malicious program can't connect to the domain, it'll proceed with the infection. Friday's unprecedented ransomware attack may have stopped spreading to new machines -- at least briefly -- thanks to a "kill switch" that a security researcher has activated.


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