Geneva Data Anchors Cloud Workloads, Proving Sovereignty with nLighten, Arqit

nLighten and Arqit have demonstrated a functional link between sovereign European infrastructure and major public cloud services, addressing a critical challenge for regulated organizations. A recent proof of concept, conducted between nLighten’s Geneva data centre and one of the largest hyperscalers, shows how sensitive workloads can operate within a public cloud environment while remaining anchored to a trusted European foundation. Customer data and cryptographic controls stay rooted in Geneva, with Arqit’s Symmetric Key Agreement Platform extending that security into the cloud; the companies state the benefit is simple: organizations “no longer have to choose between innovation and control.” This approach combines nLighten’s infrastructure with Arqit’s quantum-safe encryption and Intel Trust Domain Extensions, offering a physically sovereign data centre option for those balancing cloud benefits with compliance needs in sectors like financial services and pharmaceuticals.

Sovereign Infrastructure Anchors Cloud Workloads in Geneva

European data sovereignty advanced as nLighten’s Geneva data centre successfully anchored cloud workloads while connecting to a major hyperscaler. This is not simply about where data resides, but how security protocols extend with it, a challenge particularly acute for organizations in financial services, pharmaceuticals, and the public sector. The demonstration leveraged Arqit’s Symmetric Key Agreement Platform to securely extend the trusted environment originating from nLighten’s Geneva facility directly into the public cloud, a key component in maintaining control of cryptographic assets. Workloads operated within a public cloud environment, yet remained anchored to a sovereign European infrastructure, bolstered by Intel Trust Domain Extensions which isolate virtual machines and containers.

Arqit’s quantum-safe encryption further protects data against future cryptographic threats, specifically addressing this scenario. Dame Dawn Child, CEO at nLighten, emphasized the benefit for customers: “Our customers increasingly want to leverage AI, analytics and cloud-native services, but many operate in highly regulated environments where data control is non-negotiable.” The model, planned for replication across nLighten’s network of over 30 European edge data centres, aims to support compliance with emerging frameworks like the EU Cloud Sovereignty Framework.

Arqit’s SKA-Platform & Intel TDX Enable Confidential Computing

The convergence of data sovereignty demands and the escalating adoption of public cloud services has created a complex challenge for organizations handling sensitive information. Businesses increasingly seek the scalability and innovation offered by hyperscalers without relinquishing control over their data and cryptographic keys. This approach extends trusted environments beyond the boundaries of a sovereign European infrastructure, directly addressing concerns about data governance and compliance. The demonstration highlights how customer data and cryptographic controls can remain rooted within nLighten’s Geneva facility while securely operating within a public cloud environment. Arqit’s SKA-Platform is central to this extension, ensuring that security protocols follow the data itself, rather than relying solely on the cloud provider’s assurances.

This is further reinforced by Intel TDX, which isolates virtual machines or containers, shielding them from unauthorized access. Andy Leaver, CEO at Arqit, said, “Too often, organizations are told they have to choose between maintaining control of sensitive data and benefiting from the scale and innovation of the public cloud. What we’ve demonstrated with nLighten is that there is a third option.” Unlike solutions dependent on contractual agreements, this model relies on a physically sovereign data centre, providing organizations with a verifiable audit trail.

The collaboration successfully linked nLighten’s Geneva data centre, a physically sovereign European facility, with a major hyperscaler, extending trusted environments beyond traditional boundaries. This is not simply about data localization; it’s about maintaining cryptographic control as workloads move to the cloud. The demonstration showcases a viable alternative to solely relying on contractual assurances or provider-specific sovereign cloud offerings.

The demand for cloud services capable of adhering to increasingly stringent European data sovereignty regulations is driving innovation in hybrid infrastructure models, and a recent proof of concept from nLighten and Arqit demonstrates a functional solution for regulated industries. This is not simply about data location; it’s about ensuring security protocols travel with the data itself. The combined solution also leverages Intel Trust Domain Extensions to isolate virtual machines, further protecting data during processing.