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Ransomware. Ransomware is a type of 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 ...
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. [4] It was propagated by using EternalBlue, an exploit developed by the United ...
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 or Ukrainian ...
There are two kinds of ransomware attacks: encrypting and non-encrypting. TAD is a victim of the former — when hackers hold data hostage by encoding it. TAD’s website has been down since the ...
A ransomware attack that crippled the city of Wichita’s network for more than a month starting in May was limited to a Wichita Police Department records system, city officials said Wednesday.
Hive (ransomware) Hive (also known as the Hive ransomware group) was a ransomware as a service (RaaS) operation carried out by the eponymous cybercrime organization between June 2021 and January 2023. The group's purpose was to attack mainly public institutions to subsequently demand ransom for release of hijacked data.
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