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Remind me: Are modern hypervisors meant to securely contain guests? Because they advertise their presence pretty loudly, and there's nothing which motivates a j
by cbd1984 11y ago
Remind me: Are modern hypervisors meant to securely contain guests? Because they advertise their presence pretty loudly, and there's nothing which motivates a jail-break like reminding the inmate they're in a cell.
- mey 11y agoThis is why I'm not a fan of public cloud virtualization for high security systems (PCI-DSS/HIPPA/etc). In addition to the escapes, you need to contend with side channel timing observation and resource contention.
- jimrandomh 11y agoYes, they are. A common use case of hypervisors is to split up a large server between multiple renters, who demand a hypervisor which won't let other renters hack them.