Cyber-attack is any type of offensive maneuver employed by individuals or whole organizations that targets computer information systems, infrastructures, computer networks, and/or personal computer devices by various means of malicious acts usually originating from an anonymous source that either steals, alters, or destroys a specified target by hacking into a susceptible system. These can be labelled as either a Cyber campaign, cyberwarfare or cyberterrorism in different context. Cyber-attacks can range from installing spyware on a PC to attempts to destroy the infrastructure of entire nations. Cyber-attacks have become increasingly sophisticated and dangerous as the Stuxnet worm recently demonstrated.Cyberattacks use malicious code to change computer code, logic or data, resulting in disruptive consequences that can compromise data and lead to cybercrimes, such as information and identity theft.
Cyber attacks are socially or politically motivated attacks carried out primarily through the Internet.
http://www.nec.com/en/global/solutions/safety/info_management/cyberattack.html
Cybersecurity is the process of applying security measures to ensure confidentiality, integrity, and availability of data. Cybersecurity assures protection of assets, which includes data, desktops, servers, buildings, and most importantly, humans. The goal of cybersecurity is to protect data both in transit and at rest. There are many countermeasures that can be put in place, in order to ensure security of the data. Some of these measures include, but not limited to, access control, awareness training, audit and accountability, risk assessment, and security assessment and authorization.
http://en.wikipedia.org/wiki/Computer_security
Skilled hackers caused serious damage at a German steel mill sometime during this year, according an annual security roundup issued Wednesday by the country’s Federal Office for Information Security (BSI).
https://gigaom.com/2014/12/19/sophisticated-cyberattack-damaged-german-steel-plant-report-says/
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