What digital sovereignty means for Europe’s security landscape
Digital sovereignty has become a central issue for European governments, aiming to reduce reliance on foreign technology providers for critical digital infrastructure, software, and services. Europe's security frameworks, including regulations like NIS2, DORA, and the Cyber Resilience Act, now emphasize control over software supply chains and infrastructure.
The need for sovereignty isn't just about nationalism or economic protectionism — it's fundamentally about security, transparency, and risk mitigation. Being able to inspect, adapt, and replace underlying technologies is essential for defending against both cyber threats and supply chain disruptions.
How open source supports Europe’s sovereignty goals
Europe has increasingly turned to open source as a strategic lever to achieve greater autonomy. Open source software powers much of the region’s existing digital infrastructure, including cloud environments, financial systems, and government IT. Unlike proprietary solutions, open source allows organizations to audit code, participate in its development, and avoid lock-in from non-European vendors.
Backing this approach, the European Commission has launched policies and funding packages to expand open source adoption, boost R&D, and support upstream contributor communities. These efforts are not just about using more open source, but actively shaping it to ensure it remains secure, well-maintained, and aligned with European interests. Investments also go toward initiatives like digital commons and open cloud stacks for greater transparency and resilience.
What businesses and security leaders need to address
For European enterprises, embracing open source does not end with downloading software. True supply chain security requires ongoing participation in the ecosystems they depend on. This involves identifying critical dependencies, collaborating with maintainers, contributing to projects, and often funding key components. Passive use—such as only patching internally or maintaining private forks—increases costs, technical debt, and long-term risk.
Future regulatory frameworks will likely increase requirements for supply chain transparency, vulnerability management, and clear provenance of software components. Businesses should prepare for more scrutiny over their use of non-EU tech and develop processes to demonstrate the sovereignty and security of their software stacks. New metrics, such as the Sovereignty Effectiveness Assurance Levels (SEAL), may soon be used to assess the degree of European control over technologies in use.
Key takeaways for security professionals and decision-makers
European organizations seeking digital sovereignty should view open source not only as a tool for cost savings or innovation, but as a critical element of supply chain security and long-term resilience. The shift toward open source is as much about risk management as strategic autonomy. To succeed, leaders must invest in upstream engagement and security while navigating evolving regulatory obligations. Businesses that are proactive in supporting open source and transparency will be best positioned to meet future compliance requirements and secure their digital operations.