The evolution of quantum computing has significant implications for cryptography due to its potential to break traditional encryption algorithms that currently secure digital communications. Quantum computers can solve certain mathematical problems much faster than classical computers, such as factoring large numbers, which forms the basis of many encryption methods like RSA.

Future implications for data security include the need for quantum-resistant cryptography, also known as post-quantum cryptography (PQC). Researchers are actively developing new cryptographic algorithms that can withstand attacks from quantum computers. Transitioning to PQC involves updating software, hardware, and protocols across industries to ensure data remains secure as quantum computing capabilities continue to advance.

In essence, while quantum computing offers immense computational power for solving complex problems, its impact on cryptography necessitates proactive measures to maintain data security in the face of evolving technological capabilities.