Definition of air-gapped in English:

air-gapped

adjective

Computing
  • (of a computer) having no direct connection to the Internet or to any other computer that is connected to the Internet, for security reasons:

    ‘a USB drive or other hardware approach would be required to infect the air-gapped machine’
    • ‘Governments use such "air-gapped" networks to reduce the chance an external attack will be successful.’
    • ‘Criminal groups commonly target 'air gapped' machines with malware delivered via USB stick.’
    • ‘A cyber-security expert says that his "air-gapped" computers have exchanged malware through ultrasound.’
    • ‘Air-gapped systems are used in situations that demand high security because they make siphoning data from them difficult.’
    • ‘There are other examples of air-gapped systems being infected.’
    • ‘Security scanners would not pick up on the attack; machines, even air-gapped ones, could be targeted.’