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Do satellites sent into space have a physical intrusion detection system on board to prevent tampering?

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    $\begingroup$ I don't know, but I suspect the cost of such a system would exceed any likely benefit. $\endgroup$ – Keith Thompson Jun 5 '15 at 15:57
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    $\begingroup$ Not that I'd had heard of, but intrusion could probably detected offline (on ground) considering physical contact would lead to a momentary slight change of orientation. And "observation" satellites are precisely controlling (and monitoring) their orientation. $\endgroup$ – Daniel Jour Jun 26 '15 at 7:56
  • $\begingroup$ @DanielJour: How would a slight orientation change due to (e.g.) being boarded by space pirates be distinguished from a slight orientation change due to being hit by space debris or a meteoroid? $\endgroup$ – Sean Oct 3 '19 at 1:18
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    $\begingroup$ @Sean Not at all I suppose; but whether getting boarded or hit by something ... both is a possible total loss (especially when what his is of any noteworthy size ...) $\endgroup$ – Daniel Jour Oct 9 '19 at 12:41