A secure communication device installed in an industrial device for an industrial control system according to an exemplary embodiment of the present invention provides a communication module that provides a communication channel with a central management server, and encrypts data collected from the industrial device to provide the communication module Alternatively, it may include an encryption module that decrypts data received from the communication module and provides it to the industrial device, a package that covers at least a portion of the communication module and the encryption module, and a detection module that detects disassembly of the package.
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