[time-nuts] Ships fooled in GPS spoofing attack suggest Russian cyberweapon

Bob kb8tq kb8tq at n1k.org
Tue Aug 15 12:44:11 EDT 2017


In the case of a spoof, the target is likely one specific vehicle. You care about the 
armored car with the big pile of gold bars in it. The objective is not to get him to 
drive into a bridge abutment. It’s to get him to turn left on the wrong road. You tailor 
the spoof so everything “makes sense”.  Likely you spend a *lot* of time planning 
just how the spoof will happen and what is down that road he turned on. This isn’t 
a random process ….

In the same sense, if you are going to spoof time, you do it for a specific reason and
with a specific target. You want the bank vault to open early. You want the stock trade
to get time stamped “just right”. There’s no need to throw off every clock everywhere if
you can identify autonomous GPS based time islands. Finding those time islands takes
work. So does tracking down the armored car with the gold in it ….


> On Aug 15, 2017, at 4:35 AM, Chris Albertson <albertson.chris at gmail.com> wrote:
> I think that even with a rudimentary and incomplete knowledge of the road
> network one could detect spoofing a car navigation system.   The car would
> show up inside buildings and farm fields and lakes.   You'd see this even
> on a very poor map.
> If the spoofer moved the signal even 200 yards the match to the roads would
> be total rubbish and non sense.  It would be detectable even using very old
> maps with many segments missing
> On Mon, Aug 14, 2017 at 3:10 PM, Ron Bean <time at rbean.users.panix.com>
> wrote:
>>> In a car it is even easier.  The car nav system KNOWS it must be on a
>>> roadway.  The car's ground track (positional history) must be on a road.
>> That's assuming the GPS company keeps their maps up to date (it doesn't
>> matter how often you update the maps in the device if the company's maps
>> don't keep up with reality). New roads appear, old ones occasionally get
>> moved.
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> -- 
> Chris Albertson
> Redondo Beach, California
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