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The first reported death following a ransomware attack was at a German hospital in October 2020. [76] A significant increase in ransomware attacks occurred during the 2020 COVID-19 pandemic. Evidence has demonstrated that the targeted institutions of these attacks included government, finance, and healthcare.
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]
The ransomware is designed to encrypt files and render them inaccessible until a ransom is paid. It is often delivered through phishing emails, exploit kits, or compromised websites. [ 1 ] Conti has gained notoriety for targeting healthcare institutions, as seen in its attacks on organizations in Ireland and New Zealand .
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.
These attacks are wide-ranging, global and do not seem to discriminate among governments and companies. Operation Shady RAT; World of Hell; Red October, discovered in 2012, was reportedly operating worldwide for up to five years prior to discovery, transmitting information ranging from diplomatic secrets to personal information, including from mobile devices.
A computer technician in Yangon found that the hacks were denial-of-service attacks, while the group's motive is to protest the 2021 Myanmar coup. [176] March: Cyber insurer CNA Financial, one of the largest insurance companies based in the US, was attacked with ransomware, causing the company to lose control over its network. [177]
The attacks were attributed to the Clop ransomware gang and the FIN11 threat group, although no ransomware was deployed during these specific incidents. After exfiltrating the data, the attackers threatened to make the stolen information public unless a ransom was paid.
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.