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Ransomware is a type of malware that encrypts the victim's personal data until a ransom is paid. [1 ... the Rise of Crypto-Ransomware" (PDF). Harvard University ...
The REvil ransomware gang officially took credit for the attack and claimed to have encrypted more than one million systems during the incident. They initially asked for a $70 million ransom payment to release a universal decryptor to unlock all affected systems. [ 14 ]
Many different distribution methods for Locky have been used since the ransomware was released. These distribution methods include exploit kits, [ 11 ] Word and Excel attachments with malicious macros, [ 12 ] DOCM attachments, [ 13 ] and zipped JS attachments.
In the first six months of 2017, two billion data records were stolen or impacted by cyber attacks, and ransomware payments reached US$2 billion, double that in 2016. [6] In 2020, with the increase of remote work as an effect of the COVID-19 global pandemic, cybersecurity statistics reveal a huge increase in hacked and breached data. [7]
In the aftermath of the attack, it was revealed at a Senate Armed Services cyber subcommittee hearing that the Department of Homeland Security was not alerted to the ransomware attack and that the Justice Department was not alerted to the ransom type or amount, prompting discussion about the numerous information silos in the government and ...
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.
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.
LockBit is a cybercriminal group proposing ransomware as a service (RaaS). Software developed by the group (also called ransomware) enables malicious actors who are willing to pay for using it to carry out attacks in two tactics where they not only encrypt the victim's data and demand payment of a ransom, but also threaten to leak it publicly if their demands are not met.