EU can’t be ‘naive’ about enemies shutting down critical infrastructure, warns tech official MUNICH, Germany — The European Union can no longer afford to be “naive” about adversaries’ ability to switch off critical infrastructure, the EU’s top tech official warned Friday, as she called for tougher rules and more investment to protect Europe from cyber and hybrid threats. Speaking at the Munich Cyber Security Conference, European Commission Executive Vice President Henna Virkkunen said cyberattacks have become a central tool of modern conflict, often coordinated with physical sabotage, disinformation and economic pressure. Europe’s power grids, hospitals, financial systems, satellites and military command networks are all deeply dependent on digital infrastructure — and increasingly…