this seems to be concerned to this thread,
have a look at the last posting: https://retropie.org.uk/forum/topic/27507/libretro-cores-wiped-out-restored

@BGallagherLA wondering if that is just an automatic thing with NetPlay and is just a computer player or something rather than someone actually joining? I just don't understand how someone can randomly join a game when you need the proper external IP to be able to access the game, and the exact same rom set, emulator and RetroPie version in order for it to work

@Merlin8E said in NASA got hacked with a Raspberry Pi!:

A low-cost, barebones computer that can fit in your palms left NASA open to a cyberattack, according to a recent audit report by the space agency.
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