What is data sovereignty? Definition, benefits and why it matters for manufacturing software

Data sovereignty is the principle that data is subject to the laws of every jurisdiction that can reach it: the country where it is generated, stored or processed, and the country whose laws govern the organizations that hold or can access it.

Regulations such as the EU's GDPR, which restricts cross-border transfers of personal data, turned data sovereignty from a legal theory into an operational requirement for data governance and data protection.

In practice, an organization that wants to exercise its right to data sovereignty decides where its data is hosted, which legal entity and which subprocessors can access it, and under which contract.

Data residency refers to where the data is stored, based on the geographical location of the physical servers. Data sovereignty is broader: it concerns which laws apply to that data and who can be compelled to access it.

Physical location of data does not guarantee complete data sovereignty. If, for example, servers are located in the EU, but are owned by an American company, then that company remains subject to the US CLOUD Act, in addition to EU law.

Data residency is necessary for sovereignty, but not sufficient on its own.

Data sovereignty affects organizations and their stakeholders differently depending on their role and industry. For industrial manufacturers operating across the EU, understanding data sovereignty is the first step before evaluating vendors or cloud architectures.

Organizations pursue data sovereignty for the following reasons:

• Protection against foreign legal reach (e.g., CLOUD Act) so governments cannot compel data from providers outside the customer’s jurisdiction.

• Compliance with regional regulations (GDPR, Data Act, NIS-2) and national standards/certifications that require local control.

• Security of extremely sensitive intellectual property and manufacturing data (BOMs, process details) that would cause safety, export-control (e.g., ITAR) or commercial harm if exposed.

• Response to customer and market demand as businesses prefer to keep their data under local control.

• Reduction of geopolitical risk from instability or changes in international relationships that could make foreign access more likely.

• Limiting legal exposure and clarifying responsibilities by using local contracting entities and explicit DPAs/SLAs.

• Improvement of operational control and auditability so that access and transfers can be demonstrated to regulators and customers.

• Minimized vendor lock-in and assurance that customers can export or move their data under agreed procedures.

"At Manufacturo, data sovereignty sits alongside our data protection policy, which is designed to protect our clients' data from unauthorized access and corruption by organized groups and rogue actors."

IT directors treat data sovereignty as a matter of security and infrastructure control. This aligns with a statement given in March 2026 by Nick Bradley, Director of IBM X-Force Threat Intelligence Malware Team.
When talking about cybersecurity trends in 2026, Nick said that attackers have figured out that "they can walk right in through your supplier’s back door with valid credentials."

That is why IT directors want to control where their workloads are hosted, which regions and providers are used, and how access is segmented. It is also a matter of business continuity and disaster recovery: directors want to ensure these are maintained without compromising jurisdictional guarantees.

Compliance officers approach sovereignty as a question of regulatory risk: mapping obligations under GDPR, the Data Act, and NIS-2. When choosing a supplier, they look for a partner that is mindful of these risks and has a compatible framework of its own to address them.

They ensure that Data Processing Agreements and subprocessor arrangements are documented and auditable. This preparation helps them handle international legal requests and understand the financial penalties that potential non-compliance or data exposure can carry.

In manufacturing, data sovereignty helps ensure that the most sensitive production data, such as know-how and customer requirements, is protected.

• Protection of core know-how: If this data is exposed or controlled externally, it can reveal proprietary manufacturing methods. For example, work instructions, BOMs, quality records, process steps, and inventory data can reveal how a product is built.

• Customer and government requirements: Governments and businesses operating in defense, aerospace, and other regulated industries are required to pay close attention to where their data lives and who can access it.

• Geopolitical and legal risk: Due to the current geopolitical situation, there is a growing desire among manufacturers to keep their data under the legal control of their region.

Data sovereignty rests on three core principles: legal jurisdiction over data, organizational control, and transparent governance frameworks.

Data must be governed by the laws and legal jurisdiction the owner expects. That is why businesses design their hosting and contracts in a way that aligns the applicable law with the customer’s legal exposure.

• Data localization: Specify and enforce where data is stored and processed (country, region, or physically isolated provider) to satisfy local regulatory or policy requirements.

• Incident response and legal risk handling: Have processes that address cross-border legal requests, law enforcement demands, and security incidents while preserving sovereignty commitments.

Data sovereignty rules differ sharply by country and region. The table below summarizes some of the most significant regimes manufacturers encounter.

Because these regimes can overlap or conflict, organizations operating across borders map their obligations jurisdiction by jurisdiction rather than assuming a single global standard applies.

At Manufacturo, our manufacturing management platform, each client's data is handled in line with the requirements that apply to it: GDPR and NIS2 in the European Union, ITAR for US customers with export-controlled data, and the equivalent requirements in Japan, India, Australia, and other regions where we serve customers.

To maintain data sovereignty, businesses take steps to retain genuine control over who can access data and how it moves.

• Access control and least privilege: Implement strong identity, role-based access, and segregation of duties so only authorized, auditable personnel can access sensitive data.

• Strong encryption and key management: Encrypt data at rest and in transit and ensure keys are controlled by the data owner (customer-controlled keys) when sovereignty requires it.

• Governance, accountability, and roles: Define internal governance (who makes sovereignty decisions), appoint data stewards, and document policies for classification, retention, and permitted processing.

The way Manufacturo handles data sovereignty in Europe serves as a model for our approach to data sovereignty in Japan, India, and Australia, where we also serve customers. We also sign a Data Processing Agreement with every client, giving them full clarity on who processes their data.

Sovereignty claims must be demonstrable, documented, contractual, and auditable.

• Legal and contractual clarity: Use contracts (DPAs, SLAs, local entity contracting) that explicitly state responsibilities, permitted transfers, subprocessors, and how legal requests for data will be handled.

• Transparency and auditability: Maintain detailed, tamper-evident logging, regular audits, and clear reporting so data location, access, and transfers can be demonstrated to regulators and customers.

• Certification and compliance mapping: Obtain and map relevant certifications and standards (e.g., GDPR requirements, FedRAMP, SOC-2) to customer requirements.

• Risk-based trade-offs and transparency: Recognize trade-offs (cost, operational burden, update cadence) between public cloud, sovereign partner clouds, and on-premise; document those trade-offs so customers can choose the appropriate level of sovereignty.

Manufacturo, a manufacturing management platform, presents a Data Processing Agreement to every client, which sets out its security measures, standards, and every subprocessor that may handle their data.
For these subprocessors, we rely either on a recognized privacy framework or on signed standard contractual clauses.

Data sovereignty can be implemented at four levels: a commercial cloud with data residency, a regulated cloud, a national partner cloud, or on-premise infrastructure.

Standard commercial clouds, such as Azure or AWS, let customers keep data in a chosen region. Microsoft's EU Data Boundary, for example, keeps customer data stored and processed within the EU.

This is the first and easiest-to-adopt level.

A cloud environment created to meet specific government guidelines. For example, in the USA, Azure itself serves this market through Azure Government.

In a national partner cloud model, data is hosted on infrastructure owned and operated by a provider established in the customer's country, using its own staff. The software vendor supplies the product; the partner hosts and operates the environment.

To place data outside the reach of the CLOUD Act, every entity that can access it, including the hosting provider, the software vendor and any service partner, must be outside US jurisdiction. For European customers, this means the entire chain is operated by European entities.

Manufacturo offers a delivery model that meets this requirement for customers who need full independence from US jurisdiction.

The customer receives an installable software package and hosts it wherever they choose, including their own air-gapped data center. The vendor supplies and maintains the software, but all sovereignty obligations rest with the customer.
This solution is used in industries that require the highest levels of secrecy, such as weapons manufacturing and defense.

Click here to find out how Manufacturo takes care of EU data sovereignty.

Data sovereignty is less a single rule than a set of choices. The core principle is simple: your data is governed not only by the law of the region where it is stored, but also by the law that applies to whoever holds or can access it.

From there, three things decide how much sovereignty you actually have.

• Jurisdiction over location. Residency tells you where data lives; sovereignty tells you whose law reaches it.

• The deployment model you choose. Control rises across four levels: cloud with data residency, regulated cloud, national partner cloud, and on-premise or air-gapped deployment.

• Contracts and accountability. DPAs, named subprocessors, audit logs, and clear exit rights are what let a company prove where its data is and move it without vendor lock-in.

In manufacturing, where the data at stake is often strategic intellectual property, sovereignty helps keep that data local, controlled, and compliant with industry requirements.