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WannaCry is a ransomware cryptoworm, which targets computers running the Microsoft Windows operating system by encrypting (locking) data and demanding ransom payments in the Bitcoin cryptocurrency. The worm is also known as WannaCrypt, [ 9 ] Wana Decrypt0r 2.0, [ 10 ] WanaCrypt0r 2.0, [ 11 ] and Wanna Decryptor. [ 12 ]
Hutchins had become aware of WannaCry the afternoon of 12 May, and though he had been on vacation, he began reverse engineering the code from his bedroom. He discovered that the malware was tied to an odd-looking domain name , suggesting the malware would be part of a command-and-control structure common to botnets, but to his surprise, the ...
WannaCry demanded US$300 per computer. [108] The attack affected Telefónica and several other large companies in Spain, as well as parts of the British National Health Service (NHS), where at least 16 hospitals had to turn away patients or cancel scheduled operations, [ 109 ] FedEx , Deutsche Bahn , Honda , [ 110 ] Renault , as well as the ...
Hex dump of the Blaster worm, showing a message left for Microsoft co-founder Bill Gates by the worm's programmer. This timeline of computer viruses and worms presents a chronological timeline of noteworthy computer viruses, computer worms, Trojan horses, similar malware, related research and events.
DoublePulsar is a backdoor implant tool developed by the U.S. National Security Agency's (NSA) Equation Group that was leaked by The Shadow Brokers in early 2017. [3] [citation needed] The tool infected more than 200,000 Microsoft Windows computers in only a few weeks, [4] [5] [3] [6] [7] and was used alongside EternalBlue in the May 2017 WannaCry ransomware attack.
The book also explores the role of private companies, criminal groups, and individual hackers in developing and deploying these weapons. Perlroth discusses various high-profile cyberattacks, such as the Stuxnet worm and the WannaCry ransomware attack, to illustrate the potentially catastrophic effects of cyberwarfare. [2] [3] [4]
A cyberattack is any type of offensive maneuver employed by individuals or whole organizations that targets computer information systems, infrastructures, computer networks, and/or personal computer devices by various means of malicious acts usually originating from an anonymous source that either steals, alters, or destroys a specified target by hacking into a susceptible system.
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