To provide a system capable of quickly detecting automobile theft action and informing a plurality of terminal side devices of a message, and an image photograph of an intruder so as quickly find and detect automobile theft, robbing on the automobile or the like, and to quickly informing and dealing with invasion or theft action by early detection thereof by cooperating with a security system of a residence, a condominium or the like.

A vehicle side device is capable of quickly transmitting abnormality that has occurred in a vehicle side to an owner of the vehicle via a communication network, wherein the owner of the vehicle receiving the information can receive the information, obtain the information of the abnormality situation that has occurred in the vehicle side and deal with the abnormality situation. The image photograph of the intruder can be kept in a management server and can be utilized as material for criminal investigation by taking a hard copy of the image photograph. Also, a detecting sensor unit is provided in the residence, the condominium, an office, or the like cooperated with an automobile anti-theft system to allow theft information network construction with the automobile.