Operating systems include a native “superuser” account that gives a user unlimited privileges on a given server. This is a potentially risky because administrators essentially get unregulated access to files. Virtualization aggravates the problem. IT organizations need to enforce appropriate access and provide accountability through auditing to minimize this risk.

Nielsen Mobile uses Altor Networks' security analyzer to gain insight into virtual network activity

Phrases that continue to be used to describe application virtualization are 'isolation' or 'bubble', but Michael Cobb examines the possible threats entering or escaping those 'isolated' environments.

VMware security chief Nand Mulchandani is stepping down to be the CEO at OpenDNS. The company also lost one of its key product security experts.

In this webcast, Ginnwan Teo, technical manager for Check Point Software, discusses the areas where security are at its weakest in a virtual environment and offers options that companies can use to better secure their virtual environments.

Companies are taking on virtualization to reduce cost. But many are ignorant of security risks that comes with the new technology. In this paper, Gene Kim, CTO for Tripwire, shares 7 practical steps that companies can take to mitigate the unique security challenges of virtualization.

Virtualization platform vendors such as VMware and Citrix gear up to enhance security, as mainstream security companies slowly adapt.

Despite some misgivings, IT security pros are finding virtual environments help centralize data, deploy patches more efficiently and thwart attackers.

Future virtualization platforms and features could cause confusion when managing who owns virtual machines within an organization and how network traffic can be monitored.

Experts and vendors make the case for the security attributes of thin and robust hypervisors, but rapid changes in virtualization technology could further complicate the virtualization security debate.