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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]
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]
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.
In January 2015, it was reported that ransomware-styled attacks have occurred against individual websites via hacking, and through ransomware designed to target Linux-based web servers. [44] [45] [46] In 2022, Costa Rica received widespread Conti ransomware attacks affecting government, healthcare and industry. [47]
On Friday, a flood of ransomware hit hundreds of companies around the world. A grocery store chain, a public broadcaster, schools and a national railway system were all hit by the file-encrypting ...
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.
The group later indicated that the Shamoon virus had been used in the attack. [8] Computer systems at RasGas were also knocked offline by an unidentified computer virus, with some security experts attributing the damage to Shamoon. [9] It was later described as the "biggest hack in history". [3]
This is a list of reports about data breaches, using data compiled from various sources, including press reports, government news releases, and mainstream news articles.. The list includes those involving the theft or compromise of 30,000 or more records, although many smaller breaches occur continual