Who owns your cloud data

1. Classification of Data Objects
According to the sources, ownership is not a single blanket term but is divided into three distinct classes of data:
Cloud Service Customer Data: This is data under the legal control of the customer. It includes information input into the service or results produced by the customer's actions. Following general principles of copyright, this data is generally considered the property of the customer unless the service agreement states otherwise.
Cloud Service Derived Data: This class consists of data objects under the provider’s control that are derived from the customer’s interaction with the service. Examples include activity logs (who used the service and when), user identities, and any configuration or customization data.
Cloud Service Provider Data: This includes information specific to the operation of the cloud service, such as resource utilization, virtual machine allocations, and data center configuration, all of which remain under the provider's control.
2. Perspectives on Ownership
The video highlights two different ways to view ownership:
The User-Centric View: From a user's perspective, the cloud is often described as a model where once you are connected, everything stored there—documents, messages, and images—becomes yours to share or use as you see fit.
The Contractual Reality: In practice, ownership and accountability are defined by the Service Level Agreement (SLA) and Master Service Agreement (MSA). A robust SLA must explicitly define the classification of all data objects and specify who has access and control over them.
3. Exercising Ownership Rights
Ownership is realized through the customer's ability to manage and move their data:
Reversibility: This is the process by which a customer retrieves their data and application artifacts. Once this retrieval is complete, the provider is required to delete the customer's data and specified derived data after an agreed period.
Portability: This refers to the ability of a customer to move their data between multiple cloud providers at a low cost and with minimal disruption, preventing the provider from "locking in" the customer's data.
4. Challenges to Data Ownership
The overview addresses significant obstacles that can undermine a customer's claim to their data:
Vendor Lock-In: This occurs when it is technically or contractually difficult to change providers. In some social or cloud applications, it may even be impossible to retrieve your own data once it has been stored.
Jurisdictional Conflicts: Because data can move across international borders, it becomes subject to the laws of the country where it is physically stored. This can lead to situations where foreign governments may assert a "right of review" or access to the data, regardless of who "owns" it contractually.
5. Ownership of Digital Identity
Finally, the sources discuss user-centric identity, a paradigm shift where the individual, rather than a central platform, manages their own digital identity. This allows users to retain property rights over their identity and control exactly what information is shared with third parties.

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