Security of the Cloud

Security of the Cloud

Khalid Al-Begain (University of South Wales, UK), Michal Zak (University of South Wales, UK), Wael Alosaimi (University of South Wales, UK) and Charles Turyagyenda (University of South Wales, UK)
DOI: 10.4018/978-1-5225-5634-3.ch075
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The chapter presents current security concerns in the Cloud Computing Environment. The cloud concept and operation raise many concerns for cloud users since they have no control of the arrangements made to protect the services and resources offered. Additionally, it is obvious that many of the cloud service providers will be subject to significant security attacks. Some traditional security attacks such as the Denial of Service attacks (DoS) and distributed DDoS attacks are well known, and there are several proposed solutions to mitigate their impact. However, in the cloud environment, DDoS becomes more severe and can be coupled with Economical Denial of Sustainability (EDoS) attacks. The chapter presents a general overview of cloud security, the types of vulnerabilities, and potential attacks. The chapter further presents a more detailed analysis of DDoS attacks' launch mechanisms and well-known DDoS defence mechanisms. Finally, the chapter presents a DDoS-Mitigation system and potential future research directions.
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2. Cloud Security Threats

Various aspects that may pose security threats to the cloud user or even the cloud provider will be discussed in this section. To facilitate presenting these threats, they are classified into four groups, namely: policy and organisational risks, technical risks, physical security issues, and legal risks (ENISA, 2009).

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