> VMs are a necessity if you are serious about security and isolation guarantees. I'd hope everyone else also uses it. How do you ensure that the VMs are clean

> VMs are a necessity if you are serious about security and isolation guarantees. I'd hope everyone else also uses it. How do you ensure that the VMs are clean on every run? Do you boot up a fresh clean install? How do you make sure your host machines are clean too? What’s the cadence for resetting those host machines up?