As quantum computing looms closer on the horizon, U.S. cybersecurity leaders are intensifying their efforts to study and develop systems that can withstand the disruptive power of quantum cryptography tools. These emerging technologies are expected to have the potential to breach critical infrastructure and compromise other vital systems.
During the August meeting of the President’s National Security Telecommunications Advisory Committee (NSTAC), National Cyber Director Harry Coker emphasized that the quantum threat is no longer a distant concern. “The threat posed by quantum computing is not just on the horizon,” Coker warned. “It really is here now. Most actors are already using a ‘store now and break later’ framework, intending to decrypt information once they gain quantum capability. This endangers not only our national secrets and future operations but also our economic prosperity and personal privacy.”
To address these concerns, NSTAC is launching a study aimed at advancing the adoption and implementation of post-quantum cryptographic services across both the public and private sectors. The committee will present its recommendations to the White House on how to best prepare for the quantum computing era.
For over a decade, experts have cautioned that a cryptographically relevant quantum computer could eventually break the encryption systems currently safeguarding corporate data and national security secrets. Today’s cryptographic methods rely on complex mathematical problems that traditional computers cannot solve. However, quantum computers are expected to handle these computations with relative ease.
Although many experts predict that viable quantum computers are still at least a decade away, U.S. agencies are proactively working to protect critical systems. Coker highlighted that several countries, including U.S. adversaries, are heavily investing in quantum computing research to gain a strategic advantage and dominate in the realm of privacy.
Caitlin Clarke of the National Security Council and Comcast Vice President Noopur Davis will lead the NSTAC study. Both emphasized the urgency of staying ahead of quantum developments. “This is a hard problem,” Clarke noted, pointing to the challenges of migrating to new encryption standards within a complex technology ecosystem—a process that can take years or even decades.
Davis added that quantum computers’ potential to break existing cryptographic systems poses a significant threat to national security, economic stability, network security, and more. She warned that these advancements could jeopardize military and civilian communications, undermine critical infrastructure, and compromise financial transactions.
The forthcoming report will also cover awareness campaigns, potential policies, and incentives the government can deploy to accelerate the transition to quantum-resistant technologies. Nitin Natarajan, deputy director for the Cybersecurity and Infrastructure Security Agency (CISA), mentioned that his team is assessing national critical infrastructure to identify where the greatest risks related to post-quantum cryptography lie.
Their goal is to not only pinpoint which industries will require federal support to transition but also to educate organizations on the profound impact of quantum capabilities.
Recently, the U.S. National Institute of Standards and Technology (NIST) made a significant stride by releasing three encryption tools designed to protect information against quantum computing attacks. This milestone, which took eight years of development, marks a new chapter in computer science and cryptography.
As part of the NSTAC study, lessons learned from past technological transitions—such as the shift to digital television transmissions and the Y2K bug—will be analyzed alongside barriers to adoption, like cost and interoperability. Davis emphasized that addressing these cryptographic threats through government-industry collaboration is not just a technological necessity but a national imperative. The federal government plans to lead by example, adopting post-quantum cryptography across all critical systems and setting a roadmap for the private sector to follow.
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