CISA Releases New Insight on Preparing Critical Infrastructure for the Transition to Post-Quantum Cryptography


WASHINGTON – The Cybersecurity and Infrastructure Security Agency (CISA) released a new CISA Insight, Preparing Critical Infrastructure for Post-Quantum Cryptography, which provides critical infrastructure and government network owners and operators an overview of the potential impacts from quantum computing to National Critical Functions (NCFs) and the recommended actions they should take now to begin preparing for the transition.

While quantum computing promises greater computing speed and power, it also poses new risks to critical infrastructure systems across the 55 NCFs. This CISA Insight incorporates findings from an assessment conducted on quantum vulnerabilities to the NCFs to understand the urgent vulnerabilities and NCFs that are most important to address first and the three NCF areas to prioritize for public-private engagement and collaboration.

“While post-quantum computing is expected to produce significant benefits, we must take action now to manage potential risks, including the ability to break public key encryption that U.S. networks rely on to secure sensitive information,” said Mona Harrington, acting Assistant Director National Risk Management Center, CISA. “Critical infrastructure and government leaders must be proactive and begin preparing for the transition to post-quantum cryptography now.”

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.

To ensure a smooth and efficient transition, CISA encourages all critical infrastructure owners to follow the Post-Quantum Cryptography Roadmap along with the guidance in this CISA Insight. The roadmap includes actionable steps organizations should take, such as conducting an inventory of their current cryptographic technologies, creating acquisition policies regarding post-quantum cryptography, and educating their organization’s workforce about the upcoming transition.

View the CISA Insight here.

For more information about CISA’s efforts, visit CISA.gov/quantum.

About CISA:  

As the nation’s cyber defense agency, the Cybersecurity and Infrastructure Security Agency leads the national effort to understand, manage, and reduce risk to the digital and physical infrastructure Americans rely on every hour of every day. Visit CISA.gov for more information. 

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Last Published Date: August 24, 2022