Importance

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Abstract

Disclosed are various embodiment's for fingerprinting devices that are part of a network. A network monitoring device monitors traffic between devices in the network. A fingerprint is generated based upon response times of the devices in the network. Embodiment's of the present disclosure provide for device fingerprinting in cyber-physical system, such as a control system environment. Embodiment's of the present disclosure can be used in conjunction with traditional intrusion detection system (IDS) in a control systems environment. Embodiment's of the present disclosure can be used to achieve device fingerprinting from software, hardware, and physics-based perspectives. Embodiment's of the present disclosure can prevent security compromises by accurately fingerprinting devices in a control system environment, and other networked environments, as may be appreciated. Embodiment's of the present disclosure can generate fingerprints of a device which reflects identifiable characteristics of a device, such as, e.g., processing speed, processing load, memory speed, and protocol stack implementation.

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First Claim