According to the article, it is difficult to tell whether a satellite has been hacked because there’s so much data to review that they really don’t know if something is going wrong. Satellites that orbit outside of a certain area or exhibit unusual behavior could indicate a compromise but humans don’t always notice it and don’t have the ability to make a determination quickly because there is so much data. As 5G is becoming more relevant, many more satellites are going into orbit. However, there hasn’t been an any evidence of improvements in satellite security. The NSA is trying to determine if small satellite behaviors can be categorized as good, bad or something else by using artificial intelligence. They are also trying to see if malware can be deployed to a satellite from the ground station. Cyber attacks are possible on satellites and ground stations because they are essentially just computers with special software. Hopefully these experiments reveal ways to address any threats and vulnerabilities in satellite systems.
https://www.defenseone.com/technology/2019/09/nsa-running-satellite-hacking-experiment/160009/
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