CISA: Preparing Critical Infrastructure for Post-Quantum Cryptography

Nation-states and private companies are actively pursuing the capabilities of quantum computers. Quantum computing opens up exciting new possibilities; however, the consequences of this new technology include threats to the current cryptographic standards. These standards ensure data confidentiality and integrity and support key elements of network security. While quantum computing technology capable of breaking public key encryption algorithms in the current standards does not yet exist, government and critical infrastructure entities—including both public and private organizations—must work together to prepare for a new postquantum cryptographic standard to defend against future threats.

In March 2021, Secretary of Homeland Security Alejandro N. Mayorkas outlined his vision for cybersecurity resilience and identified the transition to post-quantum encryption as a priority. Government and critical infrastructure organizations must take coordinated preparatory actions now to ensure a fluid migration to the new post-quantum cryptographic standard that the National Institute of Standards and Technology (NIST) will publish in 2024.

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Source: U.S. Cybersecurity and Infrastructure Security Agency