Virtualization Review, By Christa Ayer
Organizations trying to protect their virtual networks with security software designed for physical environments risk performance drag and security exposure. For example, agent-based solutions can be slow as well as leave systems vulnerable through what's known as an "Instant On Gap," that window of time after a VM spins up, but before the agent on that VM downloads the latest security updates. Depending on how many users are simultaneously downloading updates to their individual VMs, and how many days' worth of updates there are to process, this window of vulnerability can be minutes, sometimes hours. Read more.