Who Moved My Virtual Firewall?

 
 
By Lawrence Walsh  |  Posted 2009-06-23 Email Print this article Print
 
 
 
 
 
 
 

Businesses want to virtualize everything in the data center, but is it a good idea to virtualize security appliances and applications? Virtualization lacks some key management capabilities critical to security, and taking down one virtual machine could leave an entire network exposed to threats.

Virtualization can compress data center footprints, decrease power costs and reduce staffing needs. Whether talking about the various products by VMware, Microsoft or Citrix, it is fast becoming the cure-all for IT woes, and that could spell trouble for security managers and solution providers.

Virtualization evangelists are pushing for a complete virtualization of all IT assets. They want file servers, storage arrays, desktops and applications virtualized to lower costs, increase manageability, improve optimization and extend the life of existing equipment. Before long, you'll start seeing security applications and appliances folded into this virtualized schema.

Security experts have long warned about the security threats posed to infrastructures by attacking the hypervisor-the control layer of the virtualized environment. If a hacker can take over the hypervisor, he can control the entire virtualized network. But, as security maven Chris Hoff warns, the real threat may come from poor management.

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Lawrence Walsh Lawrence Walsh is editor of Baseline magazine, overseeing print and online editorial content and the strategic direction of the publication. He is also a regular columnist for Ziff Davis Enterprise's Channel Insider. Mr. Walsh is well versed in IT technology and issues, and he is an expert in IT security technologies and policies, managed services, business intelligence software and IT reseller channels. An award-winning journalist, Mr. Walsh has served as editor of CMP Technology's VARBusiness and GovernmentVAR magazines, and TechTarget's Information Security magazine. He has written hundreds of articles, analyses and commentaries on the development of reseller businesses, the IT marketplace and managed services, as well as information security policy, strategy and technology. Prior to his magazine career, Mr. Walsh was a newspaper editor and reporter, having held editorial positions at the Boston Globe, MetroWest Daily News, Brockton Enterprise and Community Newspaper Company.
 
 
 
 
 
 
 

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