Proton, the privacy-first email service based in Switzerland, has published a report on the overwhelming reliance of listed EU companies on US tech services, mainly email. Even more concerning, the report found that 70% of critical infrastructure providers – think natural gas, electricity, water treatment – depend on US email services. Portugal: Nine key sectors, including energy, banks, insurance, and real estate, rely entirely on US email services. Nordic countries: Interestingly, Iceland, Norway, Finland, and Sweden top the chart with over 90% of public companies using US email services. AI Training RisksThere’s also the risk of your company’s data being used, directly or indirectly, for training AI models in the US.