The Great Cannon is a large-scale DDoS (Distributed Denial of Service) attack tool that was developed by Chinese authorities to target and disrupt Internet services. It was first publicly disclosed in 2015 by researchers from the University of Toronto's Citizen Lab. The Great Cannon works by using a method known as "reflection" to amplify traffic directed at a specific target, often leveraging the resources of third-party websites that have not adequately secured their services.
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