satcom.sysnet.ucsd.edu on Hacker News
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![Screenshot of satcom.sysnet.ucsd.edu: Don’t Look Up: Sensitive internal links in the clear on GEO satellites [pdf]](https://hn.urlbox.com/shots/renders/2025/10/14/078bbe80-919a-4e9f-9a24-ce03b26d329d.jpg)
Don’t Look Up: Sensitive internal links in the clear on GEO satellites [pdf](satcom.sysnet.ucsd.edu)
505 points by dweekly | 120 comments
Academic paper (ACM CCS 2025) scanning IP traffic on 39 GEO satellites, finding about half of links carry unencrypted sensitive commercial, military, and cellular traffic.