TL:DR: Israel and Iran are the source of the spoofing.
Edited*
This is a most excellent place for technology news and articles.
TL:DR: Israel and Iran are the source of the spoofing.
Edited*
Wow. The state of Israel is really piling on the reasons to hate it these days.
And Russia was doing it just a few years ago, too.
The article says the spoofing was first recorded in September from Iran, then Israel started doing some after the October Hammas attacks
Iran has been doing this shit for decades. I'm sure Israel has too.
Basically, they figure out what a GPS receiver would hear if it was receiving signals from a specific location, say "London". They then broadcast those exact signals. Any receiver that hears them now thinks it is in "London".
Start with the aircraft's actual position, and update the spoofed location based where it actually is and and its intended destination, and you can get it to go where you want it.
If the aircraft is trying to fly to London, for example,, and you want it to turn to the east of its track, you start spoofing that it has drifted west on its track to London. The aircraft thinks it is west of London, and turns to the east to get to spoofed-London.
The planes first received spoofed GPS signals, meaning signals designed to fool planes’ systems into thinking they are flying miles away from their real location. One of the aircraft almost flew into Iranian airspace without permission
Tomorrow Never Dies continues to be bizarrely relevant.
Is that the one with Jonathan Pryce as the villain? That was a good one
Johnathan Pryce as the mad, egocentric head of a mass media and tech empire with an inordinate amount of reach and influence on the world stage, who is chiefly concerned with becoming the sole source of media in a post-CCP China.
Which sounds funny and ridiculous in a 1997 spy movie, but in the last 20 years, we've seen just how much power mass media companies wield, how they can manipulate sizable percentages of a population, and how being the exclusive source of news for an entire country (China, no less) would give a media mogul incredible power and influence.
I'm not nervous, you're nervous
Fucking serves them right, the aviation industry have been buying GPS devices for decades that bleed outside and don't explicitly filter down to their spectrum. There was a satellite internet startup in the US that went through the whole process, bought its spectrum and was ready to launch, then the aviation industry complained and had them shut down because their devices were all shit and "it would be too difficult to change everyone's equipment".
Do you have something I can read about this? It's a little vague, so hard for me to search, and it sounds like something I would be interested in. Thanks
Pretty sure this is the story, rings true to my memory of the company name starting with "L": https://arstechnica.com/tech-policy/2011/04/lightsquared-broadband-a-threat-to-gps/
Although this article doesn't cover how the GPS systems used cheap filtering circuits that didn't adequately filter out adjacent frequencies. This was done purely to save money, because there wasn't anything using the adjacent frequencies. As a result, LightSquared went bankrupt in 2012.
That just means you can't use autoland in low visibility conditions. Modern IRUs (inertial reference unit) are highly accurate laser gyros that can use GPS for correction, but will throw out the data if it doesn't make sense. Navigation won't be affected much, and autoland (if used) will still rely on VHF guidance.
Modern IRUs also take input from multiple sources (GPS, Navaids) to update their drift error. With spoofed GPS, bad drift corrections are made and when the navigation solution eventually fails the IRU is just as unusable.
But the article mentioned that "the spoofing corrupts the Inertial Reference System". How?
How do IRUs work do to give you location?
Imagine you can't see or hear anything but you can read a compass, and you have an internal map of your house and neighborhood. You also know how long your steps are with some amount of accuracy. You would probably be able to get out of your house and maybe to the corner store, but the inaccuracies in your compass and distance estimation would add up over time, and on a long walk you might overshoot the sidewalk and walk down the middle of a busy street by mistake.
“Give me a stopwatch and a map and I’ll fly the Alps in a plane with no windows?”
This was supposed to be a wild boast by the Russian navigator in Hunt for Red October but is apparently now standard piloting procedure.
They know where you took off from, and can detect your movement with precision.
It's knows where it was and where it isn't
They use gyroscopes and accelerometers to measure the aircrafts movement from the starting position at takeoff. That can then be used to plot the course the aircraft has taken to show the current location.
We need a backup for GPS. LORAN should never have been shut down.
I can't see how omega and similar were not just as susceptible to this type of attack. Active outside in positioning almost always has this vulnerability.
Yet another reason to avoid the middle east
I've got an idea, how bout stop using the same technology from 20 years ago?
Huh what do you propose then, go back to the 1960s and ensure they are only using VOR and DME ground equipment. There isn't a check sum to check on GPS/GNSS it just a bunch of satellites broadcasting what they think is the correct time. If you jam those and replace them with signals close enough but wrong values you can trick the math that's used inside the GPS/GNSS receiver that computes the the position (and velocity), and it looks like this signal can be introduced slow enough to trick the receiver in real-world applications. One trick to protect yourself is to ensure the signals you receive are from the direction you expect but we aren't going to attach directional antennas on every face of a civilian aircraft, to ensure the strongest signal is from the top of the plane and not the bottom. Essentially civil navigation equipment isn't supposed to be messed with and if it is authorities are supposed to go over and arrest and fine the idiots doing things over the radio they shouldnt. When the bad guy is a government well yea I guess that plan doesn't work and governing bodies such as ICAO should impose penalties like no commerical aircraft from companies from those countries are not allowed elsewhere.
That's one way to do it.
Or avionics companies could sell modern equipment that uses multiple constellations (GPS, GLONASS, Galileo), is capable of acquiring more satellites at a time than a 20 year old system, and has basic jamming protection like ignoring spurious signals. You know: like consumer devices have been doing for years.
Then the commercial operators could install them in their aircraft.
This sounds rather dangerous. GPS was originally opened up to civilian use for the purpose of keeping flights on course, after the disaster of Korean Air Flight 007 straying into Soviet airspace and being shot down back in the 1980s.
I can't understand what is to be gained by deliberately trying to knock civilian airliners off course.
GPS guided drone attacks. Civilian GPS top out at 300 m a second. Anything beyond that is a missile and GPS refuses to work unless you have one of the special government GPS chips without the limiter.
What about GLONASS, Galilleo, or BDS? Are they all being equally jammed? Why wouldn’t they sync with all of them and use a consensus to determine accuracy? Like having multiple ntp servers.
The latest generations of gnss receivers have spoofing and jamming mitigation and detection features included with the chip, and multi-band rx technology to sync to more constellations simultaneously and do exactly what you're talking about. Before then, the spoofing/jamming detection would likely need a software implementation after the receiver. There are different types of spoofing/jamming, all of which are detected and mitigated in different ways.
I don't know the commercial aircraft industry standards for updating technology, but I wouldn't be surprised if most commercial aircraft don't have what you're talking about.
Do none of the systems, GPS, glonass etc. use encryption or authentication of any form?
The problem is with the way GPS works. Your device gets telemetry from the satellites. A fake signal can screw up the whole system.
Yes Galileo supports encryption. But as far as I know it's not in use. Has been trialled only. But I know all Airbus aircraft only support GPS satellites and nothing else (yet). I assume Boeing, being American would be the same then.
As far as solutions go, an aircraft can navigate fine without GPS. It can update its position from ground navigation aids and if they are not available it can still Dead Reckon very well. The navigation error very slowly grows until it's out of the black spot and can use GPS or navigation aid to increase its accuracy. But this navigation error on the time frame of say an hour is a matter of kilometers at most, not dozens.
Nope. And more importantly, it looks like nobody considered what might happen if the signal gets spoofed. The backup systems that are supposed to keep working if GPS breaks also break due to these spoofed signals.
GPS is encrypted, it's just that the US military won't share the encryption keys so the rest of us have to use the unencrypted channels. They've clearly thought about it and decided against making it public.
I generally don't believe in an isolationist American policy except for Israel. They always drag us into stupid shit like this.