What does "Gingerbread" indicate in communications?

"Gingerbread" is a term used in naval communications to alert personnel that there is an intruder on the net. This is part of a broader security protocol to maintain the integrity of communication channels. When "gingerbread" is transmitted, it serves as a warning flag to operators that unauthorized listeners may be present, and they should be cautious about the information they share over the communication line. This term is crucial for protecting sensitive information and operational security in military communications. Understanding this terminology helps ensure that all personnel are aware of the potential risks in their communication environment and can act accordingly to safeguard important data.