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The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. [5] It propagated by using EternalBlue, an exploit developed by the United States ...
Ransomware is a type of cryptovirological malware that permanently blocks access to the victim's personal data unless a ransom is paid. While some simple ransomware may lock the system without damaging any files, more advanced malware uses a technique called cryptoviral extortion. It encrypts the victim's files, making them inaccessible, and ...
Play (also Play Ransomware or PlayCrypt) is a hacker group responsible for ransomware extortion attacks on companies and governmental institutions. The group emerged in 2022 and attacked targets in the United States, [1] Brazil, [2] Argentina, [2] Germany, [3] Belgium [3] and Switzerland.
Ryuk (ransomware) Ryuk is a type of ransomware known for targeting large, public-entity Microsoft Windows cybersystems. It typically encrypts data on an infected system, rendering the data inaccessible until a ransom is paid in untraceable bitcoin. [1] Ryuk is believed to be used by two or more criminal groups, most likely Russian, who target ...
The three attacks together netted information on more than 91 million people. In January 2022, the International Committee of the Red Cross made a public plea to hackers who had attacked the organisation. Ransomware attacks. 2017 – WannaCry ransomware attack; 2018 Atlanta cyberattack; 2019 Baltimore ransomware attack
Conti. Conti is a ransomware-as-a-service (RaaS) developed and first used by the Russia-based hacking group " Wizard Spider " in December, 2019. [1] [2] It has since become a full-fledged RaaS operation used by numerous threat actor groups to conduct ransomware attacks. The Conti malware, once deployed on a victim device, not only encrypts data ...
On 18 March 2021, an affiliate of ransomware cybergang REvil claimed they had stolen unencrypted data from Taiwanese hardware and electronics corporation Acer, including an undisclosed number of devices being encrypted, with cybersecurity firm Advanced Intel linking this data breach and ransomware attack to the Microsoft Exchange exploits ...
EternalBlue [5] is computer exploit software developed by the U.S. National Security Agency (NSA). [6] It is based on a vulnerability in Microsoft Windows that, at the time, allowed users to gain access to any number of computers connected to a network. The NSA had known about this vulnerability for several years but had not disclosed it to ...