Under the GDPR, a sub-processor is any business or contractor customer data may pass through as a side effect of using Cubicast’s service. This definition is very broad and includes things some might simply consider “hardware”, like cloud infrastructure. We use partners for some business processes that are not core to our expertise but are critical to our customers having a quality experience. Here is our list of sub-processors: Vendor / Service Purpose Location Website Amazon AWS Cloud Infrastructure USA https://aws.