Quantum-safe cryptography, also known as post-quantum cryptography, refers to cryptographic algorithms designed to withstand attacks from both classical and quantum computers. As quantum computing advances, traditional encryption methods such as RSA and ECC will become vulnerable to Shor's algorithm, which can factor large numbers exponentially faster than any classical approach.
Organisations handling sensitive data should begin planning their migration to quantum-resistant algorithms now, even though large-scale quantum computers are not yet widely available. Regulatory bodies and standards organisations such as NIST are already publishing recommended post-quantum algorithms, making early adoption a prudent element of any long-term security strategy.