Are networks air gapped, really? Do you build critical systems on commercial products?
Often critical systems are built on commercial products and air gapped networks are almost air gapped – except for the few bridges that were built for convenience reasons…
Look at recent news:
These classified networks are definitely not connected to the Internet, but this does not mean that malware or well-resourced hackers can never found their ways into these critical networks.
If confirmed, this would not be the first time, when a classified computer network of US military has been compromised.
It comes from an article on a drone network: Classified U.S. Defense Network Outage Hits Air Force’s Secret Drone Operations