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Korea arrests CEO for adding DDoS feature to satellite receivers
(www.bleepingcomputer.com)
This is a most excellent place for technology news and articles.
the article isn't 100% clear, but this line suggested to me that they were being used to perform attacks themselves (although it also states "Allegedly, the functionality was needed to counter the attacks of a competing entity.")
I understand it as the receivers were deliberately attacking their competitors satellites (and that this would effect their performance as it was wasting bandwidth).
Countering in this case would be by making their competitors service as bad as theirs?