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首页> 外文期刊>Security & Privacy, IEEE >Can a Trusted Environment Provide Security?
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Can a Trusted Environment Provide Security?

机译：可信环境可以提供安全性吗？

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A natural extension of cloud services is to extend platform independence via virtualization to a security model. For security as a service to be a viable cloud offering, customers must be able to establish their own security policies and risk framework. Today, cloud customers must purchase, install, and configure the antiviral, antispyware, antimalware, and so on, services in their host environment. However, if cloud providers offered security as a service in these virtualized environments, customers could integrate these security measures into their risk profile to ensure that the cloud risk posture is acceptable for their mission. By leveraging the service delivery model, a cloud can deliver security as a service as part of a virtualized infrastructure as a pay-for-service offering. This configuration lets customers selectively choose the countermeasures they wish to implement as dictated by their risk profile. The practicality of this security-as-a-service approach will continue to evolve with technology. In spring 2009, VMware released the VMsafe API, which supports third-party security applications in the hypervisor (a virtual-machine monitor). If VMsafe performs as claimed, it will enable the cloud-computing environment to support security as a service. The VMsafe API offers the immediate opportunity to begin the long-needed transition of cloud computing from a trusted environment to a secured environment.
机译：云服务的自然扩展是通过虚拟化将平台独立性扩展到安全模型。为了使安全即服务成为可行的云产品，客户必须能够建立自己的安全策略和风险框架。如今，云客户必须在其主机环境中购买，安装和配置抗病毒，反间谍软件，反恶意软件等服务。但是，如果云提供商在这些虚拟化环境中提供安全即服务，则客户可以将这些安全措施集成到他们的风险概况中，以确保云风险态势对于他们的任务是可以接受的。通过利用服务交付模型，云可以将安全性作为服务交付，作为虚拟化基础架构的一部分，即按服务付费。这种配置使客户可以根据他们的风险状况有选择地选择希望实施的对策。这种“安全即服务”方法的实用性将随着技术的发展而不断发展。 2009年春季，VMware发布了VMsafe API，该API支持虚拟机监控程序（虚拟机监视器）中的第三方安全应用程序。如果VMsafe达到要求的性能，它将使云计算环境能够支持安全即服务。 VMsafe API提供了立即的机会来开始长期需要的云计算从受信任环境到安全环境的过渡。

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