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PopVote: Assessing the Risk of DDoS (B)
內容大綱
In this series of case studies, students learn to identify, assess, and control the risks of distributed denial of service (DDoS) attacks in a real-world situation. PopVote was the electronic voting system used by the Public Opinion Programme (POP) at the University of Hong Kong. This case study consists of cases A, B, and C. Case B sets the scene for risk control in information security management. To improve cloud-based security, POP outsourced the system security to Amazon Web Services (AWS), CloudFlare, and UDomain. During the mock and preregistration period of the voting event, the scale of DDoS attacks forced AWS and UDomain to make an unusual move and withdraw their services. CloudFlare also warned that it might suspend its service if there was another wave of cyber-attacks. The POP team had to decide immediately what they should do to control the risks.