NASA is an admired organization that has developed life-saving technologies and made significant contributions to the world. Moreover, hacking the Voyager spacecraft is not profitable. Even if a group attempted this just “for the lulz”, it would be highly challenging. They would need to access the Deep Space Network first, which alone would be an vulnerability, that one wouldn’t want to waste. Attempting such a feat would be costly, difficult, and offer neither financial gain nor fame.
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