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Quantum key distribution

Quantum key distribution

(also QKD)

Quantum key distribution definition

A secure method of communication with cryptographic protocols that use quantum mechanics. Any attempt to obtain encryption keys or eavesdrop alerts legitimate users, since observing a quantum system disturbs it in a measurable way.

Real quantum key distribution use cases

  • Protecting financial data
  • Protecting high-value intellectual property
  • Secure communications in the defense sector
  • Protecting healthcare infrastructure
  • Communicating sensitive medical data
  • Preventing outside disruption of critical infrastructure, including utilities

Further reading

Ultimate digital security