this post was submitted on 21 Jul 2023
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Are you speaking from first hand experience? I don't have experience with commercial satellites, but I can say from direct experience that scientific satellites and other spacecraft absolutely run a (real-time) traditional OS these days (and even a decade ago). That said, we do take serious measures to secure our vehicles. I don't think I want to say any more than that given the nature of the discussion.
I guess I wasn't clear, real time OS absolutely are in use (I just said real-time software). my point was that they aren't the same as what most people know and experience. attacking them isn't like attacking some random IoT device or "hacking" some random server or PC.
In my experience, people don't have a good idea of how satellites operate and articles like this one don't help.
btw, love your username!