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'WannaCry' ransomware attack: What we know so far

17 Mai 2017

In just four days, the WannaCry ransomware reeled in enough money to buy 8,750 servings of avocado toast (or maybe a modest house, if you're into that sort of thing).

Mr. Bhattathirippad said that the malware had struck Kerala some six months ago and two Central government offices in the State were attacked. Microsoft requires Windows 10 customers to automatically update their computers, but some people with older PCs disabled automatic updates.

The attack spread to a large swath of different organizations around the world, including the French vehicle company Renault, the Russian cellphone operator MegaFon and US -based FedEx. What's this about the NSA?

Microsoft offered software patches to protect against the ransomeware, and over the weekend released security updates for Microsoft XP and other operating systems versions it no longer supported.

While it is deeply concerning that some 1,500 computers in the Health Service Executive are estimated to be running unsupported Windows XP software, it is perhaps not surprising that our underfunded health service should be in this position. If you have a backup, there's no need to pay ransom for your data. You can attempt to pay the roughly $300 ransom using Bitcoin, but there's no guarantee you'll get your files back. Wannacry encrypts the files on infected Windows systems. How did researchers stop WannaCry?

That echoes the reporting of cyber security researchers, who have said the WannaCry was one exploit stockpiled by the NSA and that it became public when it leaked as part of the Shadow Brokers disclosures. That gave the security community a good idea of how the malware was spreading. There is a reasons companies urge you to update - they frequently release bug fixes. So, is the threat over?

The recent global ransomware attack has once again proved that healthcare sector remains to be the most vulnerable to cybercrimes.

A FedEx spokesperson confirmed to ABC News that it was among the victims of the attack. According to ProofPoint, the main motive for ransomware is profit.

The WannaCry infection stood out from earlier attacks for the speed with which it spread, and the way that the code was used to lock down infected computers until their users paid a ransom.

"Our observation is that the attack is not focused towards any particular industry but it is widely spread across industries especially those organisations which are online and connected", Quick Heal Technologies' managing director Sanjay Katkar said. There are also other theories.

The cyber attack has been deemed as the biggest in history even as IT specialists suggest that the cyber criminals responsible have not made much monetary benefits. "While this protected newer Windows systems and computers that had enabled Windows Update to apply this latest update, many computers remained unpatched globally".

'WannaCry' ransomware attack: What we know so far