United States Government Publishing Office publisher pbl distributor dst United States Government Accountability Office author aut Government Organization text government publication eng GAOREPORTS Legislative Agency Publications gao legislative 2010-08-12 U.S. Government Printing Office 2002-08-30 monographic deposited born digital 51 p. GA 1.13:GAO-02-781 https://www.govinfo.gov/app/details/GAOREPORTS-GAO-02-781 P0b002ee18038456a f:d02781 DGPO 2010-08-12 2011-03-24 GAOREPORTS-GAO-02-781 machine generated eng fdlp REPORT GAOREPORTS-GAO-02-781 GAO-02-781 Defense capabilities Military intelligence Military satellites National preparedness Satellites Information resources management Electronic data interchange DOT Global Positioning System Galaxy IV Satellite Other Written Product A04799 Government and private-sector entities rely on satellites for services such as communication, navigation, remote sensing, imaging, and weather and meteorological support. Disruption of satellite services, whether intentional or not, can have a major adverse economic impact. Techniques to protect satellite systems from unauthorized use and disruption include the use of robust hardware on satellites, physical security and logical access controls at ground stations, and encryption of the signals for tracking and controlling the satellite and of the data being sent to and from satellites. When using commercial satellites, federal agencies reduce risks by securing the data links and ground stations that send and receive data. However, federal agencies do not control the security of the tracking and control links, satellites, or tracking and control ground stations, which are typically the responsibility of the satellite service provider. It is important to the nation's economy and security to protect against attacks on its computer-dependent critical infrastructures (such as telecommunications, energy, and transportation), many of which are privately owned. In light of the nation's growing reliance on commercial satellites to meet military, civil, and private sector requirements, omitting satellites from the nation's approach to protecting critical infrastructure leaves an important aspect of our nation's infrastructures without focused attention. https://www.govinfo.gov/content/pkg/GAOREPORTS-GAO-02-781/html/GAOREPORTS-GAO-02-781.htm https://www.govinfo.gov/content/pkg/GAOREPORTS-GAO-02-781/pdf/GAOREPORTS-GAO-02-781.pdf GAO-02-781 https://www.govinfo.gov/app/details/GAOREPORTS-GAO-02-781 Other Written Product GAO-02-781; Critical Infrastructure Protection: Commercial Satellite Security Should Be More Fully Addressed; Defense capabilities Military intelligence Military satellites National preparedness Satellites Information resources management Electronic data interchange DOT Global Positioning System Galaxy IV Satellite