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In May 2017, the WannaCry ransomware attack spread through the Internet, using an exploit vector named EternalBlue, which was allegedly leaked from the U.S. National Security Agency. The ransomware attack, unprecedented in scale, [106] infected more than 230,000 computers in over 150 countries, [107] using 20 different languages to demand money ...
CryptoLocker typically propagated as an attachment to a seemingly innocuous email message, which appears to have been sent by a legitimate company. [5] A ZIP file attached to an email message contains an executable file with the filename and the icon disguised as a PDF file, taking advantage of Windows' default behaviour of hiding the extension from file names to disguise the real .EXE extension.
Encryption-based ransomware, like the name suggests, is a type of ransomware that encrypts all files on an infected machine. These types of malware then display a pop-up informing the user that their files have been encrypted and that they must pay (usually in Bitcoin) to recover them.
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. Cryptovirology employs a twist on cryptography, showing that it can also be used ...
Content Disarm & Reconstruction (CDR) is a computer security technology for removing potentially malicious code from files. Unlike malware analysis, CDR technology does not determine or detect malware's functionality but removes all file components that are not approved within the system's definitions and policies.
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
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