摘要 |
An industrial automation system comprising a digital fingerprint that is allocated to a unit requesting access to the automation system and which is based on one or more parameters of a communication between the unit and a fingerprint-determining component of the automation system, wherein the industrial automation system additional comprises the fingerprint-determining component which, during the operation of the automation system, grants the requesting unit access to the automation system and compares the determined fingerprint of the requesting unit with a stored fingerprint.
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