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Virtual security: New attack vectors, new ballgame
This article is part of the Virtual Data Center issue of February 2011, Vol. 31
When it comes to securing virtual environments, you have to take different measures from those for traditional physical security. With virtual security, new attack vectors --that is, the means by which a hacker gains control of a server OS -- must be protected to prevent breaches. Because of these vectors -- and thus risks -- virtual security requires you to secure the host and each virtual machine (VM). In this tip, we cover the kinds of attacks you should be concerned about as you develop a virtualization security strategy as well as considerations and best practices for the various components of your infrastructure. More on virtual machine security Virtual machine security Virtual security: developing a plan and procedures Server virtualization security best practices guide Virtual machine monitoring and security guide Physical security There are many physical attack vectors, from physical consoles to a guest OS to the applications that run on an OS. To secure a physical system, you must have a locked data center that ...
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Features in this issue
Although there are few situations in which V2V or V2P migrations are necessary, administrators needing to make these moves must be prepared to handle unique challenges.
With physical security, you don't have to consider breaches of virtual machines, utilities or virtual disk files. But virtualization creates new security risks and vulnerabilities.
Keep your servers up to snuff by ensuring that resources have been optimally allocated. Understanding resource supply and demand is the key to a strong capacity management process.