Spoofing attack on GPS – Interesting!

GPS Spoofing
A GPS spoofing attack attempts to deceive a
GPS receiver by broadcasting counterfeit
GPS signals, structured to resemble a set of
normal GPS signals, or by rebroadcasting
genuine signals captured elsewhere or at a
different time. These spoofed signals may be
modified in such a way as to cause the
receiver to estimate its position to be
somewhere other than where it actually is,
or to be located where it is but at a
different time, as determined by the
attacker. One common form of a GPS
spoofing attack, commonly termed a carry-
off attack begins by broadcasting signals
synchronized with the genuine signals
observed by the target receiver. The power
of the counterfeit signals is then gradually
increased and drawn away from the genuine
signals. It has been suggested that the
capture of a Lockheed RQ-170 drone
aircraft in northeastern Iran in December,
2011, was the result of such an attack. [3]
GPS spoofing attacks had been predicted
and discussed in the GPS community
previously, but no known example of a
malicious spoofing attack has yet been
confirmed. [4][5][6] A "proof-of-concept"
attack was successfully performed in June,
2013, when the luxury yacht "White Rose"
was misdirected with spoofed GPS signals
from Monaco to the island of Rhodes by a
group of mechanical engineering students
from the Cockrell School of Engineering at
the University of Texas in Austin. The
students were aboard the yacht, allowing
their spoofing equipment to gradually
overpower the signal strengths of the actual
GPS constellation satellites, altering the
course of the yacht. [7]



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