At least on AWS EC2, malicious neighbors won't be an issue. "This issue has been addressed for AWS hypervisors, and no instance can read the memory of another i

At least on AWS EC2, malicious neighbors won't be an issue. "This issue has been addressed for AWS hypervisors, and no instance can read the memory of another instance, nor can any instance read AWS hypervisor memory. We have not observed meaningful performance impact for the overwhelming majority of EC2 workloads."[1] [1] https://aws.amazon.com/speculative-execution-os-updates/ https://aws.amazon.com/speculative-execution-os-updates/