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中文摘要：
云计算的资源共享模式,在极大提高资源利用率的同时,也带来了诸多安全问题,如虚拟机间的共存攻击。特别是当用户使用单一的操作系统时,攻击者可以在较小的开销下,攻破用户的全部虚拟机,从而窃取隐私和数据。针对这一安全威胁,利用不同操作系统漏洞存在差异的特点,提出一种基于操作系统多样性的虚拟机安全部署策略。该方法首先为申请虚拟机的用户推荐一种多样性程度最高的操作系统配置选择;然后通过一种安全的部署策略,最大化地发挥多样性的特点,使攻击者需要付出更大的开销。实验结果表明,与单一操作系统配置的方法相比,该方法至少可以降低33.46%的攻击效益。
英文摘要：
The resource-sharing model for cloud computing raises many security issues, such as co-resident of virtual machines, while greatly improving resource utilization. In particular, when a user adopts a single operating system, an attacker can steal privacy and data by compromising the user＇s entire virtual machine at a smaller cost. In view of this security threat, a strategy for the security deployment of virtual machine based on operating system diversity was presented. This method firstly recommended an operating system configuration options for users applying for virtual machines with the highest degree in diversity, and then through the secure deployment strategy, maximized the effect of diversity, thus making the attacker pay more cost. The experimental results show that compared with the method of single operating system, this method can reduce the attack efficiency by 33.46% at least.
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