The Virtualization Practice

Author Archive for Edward Haletky

Edward Haletky
Edward Haletky

Edward L. Haletky, aka Texiwill, is the author of VMware vSphere(TM) and Virtual Infrastructure Security: Securing the Virtual Environment as well as VMware ESX and ESXi in the Enterprise: Planning Deployment of Virtualization Servers, 2nd Edition. Edward owns AstroArch Consulting, Inc., providing virtualization, security, network consulting and development and The Virtualization Practice where he is also an Analyst. Edward is the Moderator and Host of the Virtualization Security Podcast as well as a guru and moderator for the VMware Communities Forums, providing answers to security and configuration questions. Edward is working on new books on Virtualization.[All Papers/Publications...]
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I had an interesting conversation with Vizioncore yesterday about how backup is not as much a decision about what software to use but what process to use. In addition, this process needs to be considered from the very beginning of your virtualization architecture. With the quantity of virtual machines being used today by the SMB and Enterprise customers, the backup window has grown to nearly an all day event. What you say? An all day event? My backups happen with the window I set.

There are two key features missing from Virtualization and Cloud Computing. Those are auditing and forensics. The A6 project aims to fix this problem for auditing, but there is only some research into forensics. The issue is about discovering who did what when, where, how, and hopefully why. Auditing plays into this for Compliancy but also for forensics. Forensics has two major components in its arsenal: Audit Trails, and Disk Images.

I was privileged to speak at the 3rd Annual South Florida ISACA WoW! Event with Robert Stroud, Alan Shimel, and other great speakers. What I discovered from this conference is something I have feared for quite a number of years. Compliance actions are not continuous but often only enacted when the auditor shows up at the door. Secondly, very few auditors raised their hand when I asked if they are working with Virtualization or have customers that virtualize, this was quite a surprise.

In the article End-to-End Virtual Machine Backup I mentioned the new VMware Workstation 7.0 feature that creates an encrypted disk but in reality it is an encrypted virtual machine, which also implies encrypting the virtual disk. This one option to VMware Workstation is something that is needed within VMware vSphere as well as the other hypervisors. Encrypting virtual disk data can add to the overall security stance based on the encryption technology employed. So what do we need with virtual disk encryption?

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