Security Implications of Quantum Computing for CISOs
🔐 Quantum computing poses a long-term threat to public-key cryptography, with the potential to break RSA, ECC and Diffie-Hellman once scalable quantum machines exist. Although practical attacks on RSA-2048 are commonly estimated to be eight to fifteen years away, organizations with long-lived confidential data must act now. CISOs should begin a crypto-agility assessment, engage vendors about post-quantum cryptography, and brief leadership and boards to build a migration roadmap.
