Cryptography enables the private, authenticated, and confidential communication that allows the internet to thrive. We’re researching quantum-safe cryptography, zero-knowledge proofs, and lattice-based cryptography, to secure everything from mainframes to the hybrid cloud.


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Featured interview

Protecting today’s systems from tomorrow’s threats

IBM cryptographer Vadim Lyubashevsky explains how quantum computers coming in the near future could break all modern cryptography — and how they can keep machines safe with post-quantum cryptography.


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