Planes Can Be Hacked Via Inflight Wi-fi, Says Researcher 151
wired_parrot writes In a presentation to be shown Thursday at the Black Hat conference, cybersecurity consultant Ruben Santamarta is expected to outline how planes can be hacked via inflight wi-fi. Representatives of in-flight communication systems confirmed his findings but downplayed the risks, noting that physical access to the hardware would still be needed and only the communication system would be affected.
Re:So, which is it? (Score:4, Informative)
For the "navigation" systems, he's not talking about GPS (even if he were it wouldn't be a big deal, airplanes can navigate just fine without GPS), but the communication system does send the GPS location, altitude, and speed back home. If that goes down, not a big deal because that's not what air traffic control relies on.
More and more aircraft and ATC centers support ADS-B transponders and data, which include a GPS-derived position (altitude + position) messages as a part of System Tracking (you can check out Eurocontrols Asterix cat62 protocol and ADS-B applications). Older MSSR radars will provide you with a rough estimate of the position and an assumed altitude based on the aircrafts built-in systems, which is being tracked using for example Kalman filters to predict the current and future position. Switching over to GPS as the primary source of positioning data is allowing tighter packing of aircraft (reduced horizontal and vertical separation rules), which is becoming critical for congested airports to reduce the time between takeoffs/landings, as well as to keep aircraft in holding patters packed tighter together.
Also, ADS-B can be sent as frequently as 1 message/second due to signals going down towards earth rather than in all directions. Current MSSR radars usually have a scan time of 5-12 seconds.
So interruptions with these data links (say someone hacks into it and manages to shut it down) would lead to the ATC center having to fall back on MSSR Tracking, meaning you will be violating horizontal and vertical separation rules until the controller can create more space around the aircraft again.