> In the spirit of what this community's name suggests it's about, how hard would it be for someone to hack into the spacecraft by sending it a signal to turn o

> In the spirit of what this community's name suggests it's about, how hard would it be for someone to hack into the spacecraft by sending it a signal to turn on its thruster too soon given the technology is 40 years old? Perhaps listening to the traffic could help deciphering the encryption (if any). What it wouldn't be easy at all is to have antennae large enough and in various parts of the world: amateurs still don't have the capacity to do that. > Has anything like this been tried before with other spacecrafts? The only thing I can remember is reviving an old satellite with linux and SDR (https://www.ettus.com/blog/2014/07/contacting-a-36-year-old-space-craft-why-not https://www.ettus.com/blog/2014/07/contacting-a-36-year-old-...) but that was with some cooperation on part of NASAs.