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I think the argument VM-sellers make is that it's more secure than running a bunch of colocated code on the same machine without VMs, not that it's more secure
by fwip 7y ago
I think the argument VM-sellers make is that it's more secure than running a bunch of colocated code on the same machine without VMs, not that it's more secure than distinct physical systems.
- bluGill 7y agoThat is their claim. Theo is pointing out that the security is an illusion. Either the OS is secure and so you may as well just run everything in the OS without the VM in the way (ignoring issues of different operating system), or the OS is not secure and now you have to hope the VM is secure because otherwise you just exploit your VM to get out of it and then exploit the OS. The second level attack is more difficult, but that is all.