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With the increased popularity of ransomware on PC platforms, ransomware targeting mobile operating systems has also proliferated. Typically, mobile ransomware payloads are blockers, as there is little incentive to encrypt data since it can be easily restored via online synchronization. [65]
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]
Rensenware was developed by Korean undergraduate student and programmer Kangjun Heo for Windows operating systems out of boredom as a joke within the Touhou Project fandom. [1] [2] When executed, the program scans and encrypts all files on the computer that end in certain extensions using AES-256 and appends ".RENSENWARE" to the filename. [3]
Ransomware "is malware designed to encrypt files on a device, rendering any files and the systems that rely on them unusable," according to the U.S. Cybersecurity and Infrastructure Security Agency.
For example, when all computers in a network run the same operating system, upon exploiting one, one worm can exploit them all: [80] In particular, Microsoft Windows or Mac OS X have such a large share of the market that an exploited vulnerability concentrating on either operating system could subvert a large number of systems.
A ransomware attack typically locks information technology systems, preventing access, and are often accompanied by a ransom demand in exchange for solving the problem. McLaren has not released ...
Cryptovirology refers to the study of cryptography use in malware, such as ransomware and asymmetric backdoors. [citation needed] Traditionally, cryptography and its applications are defensive in nature, and provide privacy, authentication, and security to users.
About a week into the ongoing UMC Health System ransomware attack and days into the TTUHSC IT issues, Covenant Health is the only medical system in Lubbock to remain fully operational.
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