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A comment on U-2 pilot's selfie above China's balloon taken over Missouri: How we know that. Parent comment

Re:U-2 pilot's selfie above China's balloon taken over Misso... by kube-system on Saturday February 25, 2023 @01:08PM (#34938875)
Encryption makes signals intelligence more difficult, not impossible. It is and has always been a game of cat and mouse.

There is still a lot you can learn from analyzing encrypted signals. The metadata itself may be quite valuable, and any world power undoubtedly does cryptanalysis.

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Re:U-2 pilot's selfie above China's balloon taken over Misso... by Breza on Thursday March 09, 2023 @10:41AM (#35082373)
Wouldn't there also be a benefit from knowing, for example, that there's a bunch of encrypted radio chatter on a military frequency coming from a rural Montana town with a population of 500? Even without knowing anything that's being said, it might indicate a military presence in that location.
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