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Definitions. A cyberattack can be defined as any attempt by an individual or organization "using one or more computers and computer systems to steal, expose, change, disable or eliminate information, or to breach computer information systems, computer networks, and computer infrastructures". [1] Definitions differ as to the type of compromise ...
WannaCry ransomware attack. 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] It was propagated by using EternalBlue, an exploit ...
Cyberterrorism is the use of the Internet to conduct violent acts that result in, or threaten, the loss of life or significant bodily harm, in order to achieve political or ideological gains through threat or intimidation. Emerging alongside the development of information technology, [1] cyberterrorism involves acts of deliberate, large-scale ...
Cyberwarfare is the use of cyber attacks against an enemy state, causing comparable harm to actual warfare and/or disrupting vital computer systems. [1] Some intended outcomes could be espionage, sabotage, propaganda, manipulation or economic warfare. There is significant debate among experts regarding the definition of cyberwarfare, and even ...
Indiscriminate attacks. 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 ...
Proactive cyber defense can be understood as options between offensive and defensive measures. It includes interdicting, disrupting or deterring an attack or a threat's preparation to attack, either pre-emptively or in self-defence. Proactive cyber defense differs from active defence, in that the former is pre-emptive (does not waiting for an ...
This attack was taken out by Volt Typhoon, a Chinese hacking group who used its ability to access computers with lowered cyber security to try and infiltrate different American systems. [44] In April 2024, the FBI reports that Volt Typhoon is still a threat and plans to target the US through different cyber attacks in the future. [45]
Replay attack. A replay attack (also known as a repeat attack or playback attack) is a form of network [1] attack in which valid data transmission is maliciously or fraudulently repeated or delayed. [1] This is carried out either by the originator or by an adversary who intercepts the data and re-transmits it, possibly as part of a spoofing ...