If the hypervisor is providing the security, I don't see how the unikernel can be said to be any more secure than anything else run under a hypervisor. Moreover

If the hypervisor is providing the security, I don't see how the unikernel can be said to be any more secure than anything else run under a hypervisor. Moreover, I don't see why the hypervisor should be in a better position to be secure than a kernel.