Many cloud agreements grant the vendor vague rights to use customer data for purposes other than providing the services. Cloud providers should have these issues addressed in their form agreements. Customers should bear these issues in mind and, where relevant, insist on revisions to provide greater specificity and protection. Most cloud agreements include the right for the vendor to use aggregated data, but the term aggregated datas is seldom defined or, at best, it includes a vague reference to not identifying the customer.”]
Source: https://www.csoonline.com/article/3217724/what-can-my-cloud-provider-do-with-my-data.html