Q-Day Could Arrive Before Quantum Computers Are Commercially Useful, EU Warns

The EU warns that Q-Day could arrive before quantum computers become commercially useful or viable. This proactive stance on post-quantum cryptography emphasizes urgent global cybersecurity challenges and the necessity for rapid adaptation. Member states are required to develop their strategic plans to address this threat by the end of 2026. The warning highlights a critical timeline for security updates to protect data before the commercial availability of quantum computing technology occurs globally.