“Whispers Among the Stars: A Practical Look at Perpetrating (and Preventing) Satellite Eavesdropping Attacks” https://www.blackhat.com/us-20/briefings/schedule/index.html#whispers-among-the-stars-a-practical-look-at-perpetrating-and-preventing-satellite-eavesdropping-attacks-19391 か。なるほどね。
https://www3.nhk.or.jp/news/html/20200806/k10012554731000.html
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