Insights

European Data Sovereignty, Explained

"Sovereignty" gets used loosely in cybersecurity marketing. Here's what it actually means, and why the details matter more than the label.

The legal exposure most vendors don't mention

Two US laws are relevant to any organization using a US-headquartered cloud or security vendor: the CLOUD Act (2018) and Section 702 of the Foreign Intelligence Surveillance Act (FISA 702). Both give US authorities legal mechanisms to compel a US company to produce data it controls, even if that data is physically stored outside the US. Data residency alone (choosing an EU data center) doesn't remove this exposure if the company operating the infrastructure is still US-headquartered.

What "full-stack sovereignty" actually requires

Genuine sovereignty means every layer that could be compelled to hand over data, or that could be pressured to change how a product behaves, sits under a jurisdiction you trust:

• The company itself: incorporation, ownership, and legal domicile.
• The hosting infrastructure: physical location and the operator's jurisdiction.
• The AI models in use: where they run, and who can access what they process.
• Support and operations: where the people handling your data actually work.
• Billing: a surprisingly common yet overlooked leak point for account metadata.

Why this matters more as AI enters the security stack

AI-augmented security tools process more of your data, more continuously, than a traditional scanner ever did. If the model behind that analysis runs outside a jurisdiction you control, you've expanded your exposure even if the vendor's marketing still says "your data stays with you." Offline-capable deployments, where the model runs on infrastructure you control, close that gap entirely.

Read more about our approach, or get in touch if you have questions about deploying in a regulated environment.