This guidance directs the Department to prepare for transition to new post-quantum cryptography standards when available from NIST following the quantum roadmap. This work focuses on the development and implementation of Departmental guidance on the transition to post-quantum cryptography within DHS and its Components. ![]() Planning for the DHS Transition to Post-Quantum Cryptography DHS also issued internal policy guidance to drive the Department’s own preparedness efforts and is conducting a macro-level analysis to inform the government’s action and ensure a smooth and equitable transition. In March, Secretary Mayorkas outlined his vision for cybersecurity resilience and identified the transition to post-quantum encryption as a priority. DHS’s new guidance will help organizations prepare for the transition to post-quantum cryptography by identifying, prioritizing, and protecting potentially vulnerable data, algorithms, protocols, and systems. As this technology advances over the next decade, it is expected to break some encryption methods that are widely used to protect customer data, complete business transactions, and secure communications. While quantum computing promises unprecedented speed and power in computing, it also poses new risks. The Department of Homeland Security (DHS), in partnership with the Department of Commerce’s National Institute of Standards and Technology (NIST), has released a roadmap to help organizations protect their data and systems and to reduce risks related to the advancement of quantum computing technology. Secretary of Homeland Security, Alejandro Mayorkas, March 31, 2021 We must prepare for it now to protect the confidentiality of data that already exists today and remains sensitive in the future.” ![]() While the former is already ongoing, planning for the latter remains in its infancy. ![]() “The transition to post-quantum encryption algorithms is as much dependent on the development of such algorithms as it is on their adoption.
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