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| Content Provider | ACM Digital Library |
|---|---|
| Author | Brumley, Robert Nighswander, Tyler Brumley, David Diamond, Jonathan Ledvina, Brent |
| Abstract | Since its creation, the Global Positioning System (GPS) has grown from a limited purpose positioning system to a ubiquitous trusted source for positioning, navigation, and timing data. To date, researchers have essentially taken a signal processing approach to GPS security and shown that GPS is vulnerable to jamming and spoofing. In this work, we systematically map out a larger attack surface by viewing GPS as a computer system. Our surface includes higher level GPS protocol messages than previous work, as well as the GPS OS and downstream dependent systems. We develop a new hardware platform for GPS attacks, and develop novel attacks against GPS infrastructure. Our experiments on consumer and professional-grade receivers show that GPS and GPS-dependent systems are significantly more vulnerable than previously thought. For example, we show that remote attacks via malicious GPS broadcasts are capable of bringing down up to 30% and 20% of the global CORS navigation and NTRIP networks, respectively, using hardware that costs about the same as a laptop. In order to improve security, we propose systems-level defenses and principles that can be deployed to secure critical GPS and dependent systems. |
| Starting Page | 450 |
| Ending Page | 461 |
| Page Count | 12 |
| File Format | |
| ISBN | 9781450316514 |
| DOI | 10.1145/2382196.2382245 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2012-10-16 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Rf attacks Gps Security |
| Content Type | Text |
| Resource Type | Article |
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