Why the Quantum Threat Is Real Today
The cryptographic algorithms protecting most digital communications — RSA, ECDSA, Diffie-Hellman — are based on mathematical problems classical computers cannot solve in a practical timeframe. A sufficiently powerful quantum computer running Shor's algorithm can solve these problems efficiently — breaking the encryption protecting banking transactions, government communications, pharmaceutical intellectual property and personal data.
Quantum computers capable of breaking current 2048-bit RSA at operational scale do not yet exist. But this does not mean organisations can wait to act.
Y2QYears to Quantum — estimated 8–15 years for cryptographically relevant quantum computers. PQC migration takes 5–10 years for complex organisations.
NIST 2024NIST published first three post-quantum cryptography standards in August 2024 — ML-KEM, ML-DSA and SLH-DSA
HNDLHarvest Now Decrypt Later — the active threat making PQC migration urgent today, not when quantum computers arrive
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About AjaCertX
AjaCertX is a specialist compliance, certification and assurance partner. Our Cyber and Digital Security practice delivers ISO 27001, advanced threat assessment and cryptographic resilience programmes.