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Cyberattack. A cyberattack (or cyber attack) is any offensive maneuver that targets computer information systems, computer networks, infrastructures, personal computer devices, [1] or smartphones. An attacker is a person or process that attempts to access data, functions, or other restricted areas of the system without authorization ...
Cyberwarfare is the use of computer technology to disrupt the activities of a state or organization, especially the deliberate attacking of information systems for strategic or military purposes. As a major developed economy, the United States is highly dependent on the Internet and therefore greatly exposed to cyber attacks.
In 2020, a major cyberattack suspected to have been committed by a group backed by the Russian government penetrated thousands of organizations globally including multiple parts of the United States federal government, leading to a series of data breaches. [1] [28] [29] The cyberattack and data breach were reported to be among the worst cyber ...
Breach. On 20 September 2022, Optus's technical team noticed and investigated suspicious activity on its network. The next day, Optus's systems were found to have sustained a data breach and regulators were informed. On 22 September, the company publicly announced the data breach and informed news agencies.
Cyberattacks on businesses are rising, including small businesses. According to the Verizon 2023 Data Breach Investigations Report, the median cost per ransomware attack — which features a type ...
Stuxnet is a malicious computer worm first uncovered in 2010 and thought to have been in development since at least 2005. Stuxnet targets supervisory control and data acquisition ( SCADA) systems and is believed to be responsible for causing substantial damage to the nuclear program of Iran. [2]
The attacks resulted in the government cutting off internet access in the departments affected and various responses from both the Canadian government and the Chinese government. 2012 Operation Ababil , a series of cyber attacks starting in 2012, targeting various American financial institutions and carried out by a group calling itself the ...
The first breach of a Microsoft Exchange Server instance was observed by cybersecurity company Volexity on 6 January 2021. [1] By the end of January, Volexity had observed a breach allowing attackers to spy on two of their customers, and alerted Microsoft to the vulnerability. After Microsoft was alerted of the breach, Volexity noted the ...