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Global Positioning System (GPS) Vulnerabilities for Critical Infrastructure Fact Sheet

Accurate position, navigation and timing (PNT) is necessary for the functioning of many critical infrastructure sectors. Precision timing is one aspect that is particularly important, with one microsecond level or better synchronization often being required by numerous infrastructure systems, such as the electric grid, communication networks and financial institutions. Currently, the primary source of distributed and accurate timing information is through the Global Positioning System (GPS). However, GPS’s space-based signals are low-power and unencrypted, making them susceptible to both intentional and unintentional disruption.

Last Published Date: October 4, 2019
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