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CSO.webp 2022-08-24 12:34:00 WannaCry explained: A perfect ransomware storm (lien direct) What is WannaCry? WannaCry is a ransomware worm that spread rapidly through across a number of computer networks in May of 2017. After infecting a Windows computer, it encrypts files on the PC's hard drive, making them impossible for users to access, then demands a ransom payment in bitcoin in order to decrypt them.A number of factors made the initial spread of WannaCry particularly noteworthy: it struck a number of important and high-profile systems, including many in Britain's National Health Service; it exploited a Windows vulnerability that was suspected to have been first discovered by the United States National Security Agency; and it was tentatively linked by Symantec and other security researchers to the Lazarus Group, a cybercrime organization that may be connected to the North Korean government.To read this article in full, please click here Ransomware Vulnerability Medical Wannacry Wannacry APT 38
CSO.webp 2022-05-19 02:00:00 WannaCry 5 years on: Still a top threat (lien direct) Who doesn't love an anniversary and the opportunity to reminisce about “where we were” when an historical event happened? Such is the case over the last several days when it comes to remembering WannaCry, the ransomware that infected thousands of computers five years ago and cost companies all over the world billions of dollars in damages.WannaCry broke onto the infosec scene on May 12, 2017. Taking advantage of the vulnerable version of the Server Message Block (SMB) protocol, it ultimately infected approximately 200,000+ machines in more than 150 countries. While Microsoft had issued a patch for the SMB flaw more than a month before the attacks began, millions of computers had not been unpatched against the bug. The largest ransomware attack ever, it impacted several big names globally, including the UK's National Health Service, US delivery giant FedEx, and Deutsche Bahn, the German railway company.To read this article in full, please click here Ransomware Threat FedEx Wannacry
Last update at: 2024-07-02 02:07:32
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