You can penetrate an air* gapped system locally, so it's much, much harder for outside attackers. Like, movie heist level of difficulty. If it can be penetrated remotely, then it's not actually air gapped. Which actually does happen when you have incompetent employees that connect air gapped devices to external networks.

You can penetrate an gapped system locally, so it's much, much harder for outside attackers. Like, movie heist level of difficulty. If it can be penetrated remotely, then it's not actually air gapped. Which actually does happen when you have incompetent employees that connect air gapped devices to external networks.