Senior Microsoft security strategist Steve Riley last week criticised virtualisation rival VMWare for an idea that could see virtualised operating system images patched while they were still running in memory.
"What about [updating] in-memory images that are currently running operating systems ... Do you think this is a good or bad idea?" Riley asked Microsoft's Tech.Ed conference in Sydney last week.
"The rumour is that the other big company out there that sells virtualisation stuff is considering doing it. If they are, I think you should give some serious thought to what they're doing to prevent the trust-boundary-crossing from occurring."
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