Summary
Quantum computing represents an unprecedented increase in computational speed, but also challenges and opportunities for IT security. Forrester estimates that within five to 15 years quantum computing will render existing mainstay asymmetrical cryptographic algorithms wholly or at least partially unusable for protecting sensitive information. This report examines the current state of quantum computing as it relates to security and cryptography, predicts the evolution of quantum computing’s impact on security, and shows why planning and implementing cryptographic agility (easily changeable encryption algorithms in the entire IT and IT security infrastructure) is the only future-proofing method today.
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