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DHS S&T Publishes the Resilient PNT Reference Architecture and Update to Conformance Framework

The Reference Architecture provides a vision for a holistic approach to Next Generation Resilient PNT systems.

The Department of Homeland Security (DHS) Science and Technology Directorate (S&T) has published the Resilient Positioning, Navigation, and Timing (PNT) Reference Architecture. The document incorporates modern cybersecurity principles to provide concepts and examples for building Next Generation Resilient PNT systems against current and future threats.

“The Resilient PNT Reference Architecture is a major milestone in advancing S&T’s cybersecurity-based approach to PNT resilience,” said Kathryn Coulter Mitchell, Senior Official Performing the Duties of the Under Secretary for Science & Technology. “PNT services, such as the Global Positioning System we may use every day in our cars, are a national critical function that enable many applications within critical infrastructure sectors. For example, timing information from GPS plays a critical role in telecommunications and is used for network synchronization. It is also used for certain protective functions in the power grid.”

The reference architecture builds upon the recently updated Resilient Positioning, Navigation, and Timing (PNT) Conformance Framework v2.0 by combining modern cybersecurity principles with PNT resilience concepts and techniques. The reference architecture also provides concrete architecture implementation examples that align with the conformance framework.

“Building resilient systems requires recognizing that even the best of defenses may eventually be defeated by constantly evolving threats,” said S&T Technical Manager Ernest Wong. “By applying cybersecurity principles like Zero Trust Architectures to PNT, we can design resilient PNT systems that can continue to function properly even under the assumption of compromise.”

The Reference Architecture provides a vision for a holistic approach to Next Generation Resilient PNT systems. Careful application of these concepts and techniques can produce PNT equipment that is highly resilient to current and future PNT threats and strengthen critical infrastructure.

For information on the PNT Program, visit https://www.dhs.gov/science-and-technology/pnt-program.

Read more at DHS S&T

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The Government Technology & Services Coalition's Homeland Security Today (HSToday) is the premier news and information resource for the homeland security community, dedicated to elevating the discussions and insights that can support a safe and secure nation. A non-profit magazine and media platform, HSToday provides readers with the whole story, placing facts and comments in context to inform debate and drive realistic solutions to some of the nation’s most vexing security challenges.

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