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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". [2]
Cyber extortionists demand money in return for promising to stop the attacks and provide "protection". According to the FBI, cyber extortionists are increasingly attacking corporate websites and networks, crippling their ability to operate, and demanding payments to restore their service.
Network eavesdropping, also known as eavesdropping attack, sniffing attack, or snooping attack, is a method that retrieves user information through the internet.This attack happens on electronic devices like computers and smartphones.
Cyber attacks and security breaches are increasing in frequency and sophistication, they are targeting organizations and individuals with malware and anonymization techniques that can evade current security controls. Current perimeter-intrusion detection, signature-based malware, and anti-virus solutions are providing little defense.
A cyber countermeasure is defined as an action, process, technology, device, or system that serves to prevent or mitigate the effects of a cyber attack against a victim, computer, server, network or associated device. [4] Recently there has been an increase in the number of international cyber attacks.
In the 2000s, phishing attacks became more organized and targeted. The first known direct attempt against a payment system, E-gold, occurred in June 2001, and shortly after the September 11 attacks, a "post-9/11 id check" phishing attack followed. [57] The first known phishing attack against a retail bank was reported in September 2003. [58]
As mentioned above, several types of attacks are possible. More precisely they are: Decrypting traffic based on tricking access points (active attack) Injecting traffic based on known plaintext (active attack) Gathering traffic and performing brute force/dictionary based attacks; Decrypting traffic using statistical analysis (passive attack)
Denial of Service Attacks. A denial-of-service attack (DoS attack) is a cyber-attack in which a threat actor seeks to make an automated resource unavailable to its victims by temporarily or indefinitely disrupting services of a network host. Threat actors conduct a DoS attack by overwhelming a network with false requests to disrupt operations. [20]