Air gap storage refers to a security measure that physically isolates a computer or network from any external connections. This means the system is completely disconnected from the internet and other unsecured networks, making it impervious to remote hacking attempts. The term "air gap" signifies the absence of any network connection, creating a physical barrier between sensitive data and potential cyber threats.Air gap storage refers to a security measure that physically isolates a computer or network from any external connections. This means the system is completely disconnected from the internet and other unsecured networks, making it impervious to remote hacking attempts. The term "air gap" signifies the absence of any network connection, creating a physical barrier between sensitive data and potential cyber threats.