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The IPS Goes Virtual
It's not so much that the IPS is changing in what it can do technology-wise, but more that it's changing in the type of environment it runs in, notes Matt Watchinski, senior director of Sourcefire's Vulnerability Research Team. "Most [IPS vendors] are making their software work in those [virtual] environments," he says. "The point is that we're taking that step forward to embracing virtualization."
Virtual IPSes are still a fairly new approach for IPS perimeter defenses. "The virtualization of these security appliances starts small, and most people are still dipping their toes in the water," Watchinski says. "You're not going to see massive deployments here [for now]."
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