DEF CON 25 - David Robinson - Using GPS Spoofing to control time
Автор: DEFCONConference
Загружено: 2017-10-27
Просмотров: 12990
GPS is central to a lot of the systems we deal with on a day-to-day basis. Be it Uber, Tinder, or aviation systems, all of them rely on GPS signals to receive their location and/or time.
GPS Spoofing is now a valid attack vector and can be done with minimal effort and cost. This raises some concerns when GPS is depended upon by safety of life applications. This presentation will look at the process for GPS and NMEA (the serial format that GPS receivers output) spoofing, how to detect the spoofing attacks and ways to manipulate the time on GPS synced NTP servers. We will also explore the implications when the accuracy of the time on your server can no longer be guaranteed.
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