Citi花旗银行：2026年量子威胁分析报告：万亿美元安全竞赛已开启（英文版）

Post-quantum cryptography is key to combatting quantum threats The challenge is not the lack of a solution, but the difficulty of implementing the right solution at scale. For data that requires long-term confidentiality, retroactive cracking of encryption makes action now urgent. Vulnerable systems must move to quantum-safe alternatives Quantum readiness starts with a clear sequence of actions that identify exposure, prioritize critical systems, enable agility, guide migration and sustain lo