The Difficulty of Validating Systems and Users

One of the issues plaguing Identity management and online authentication systems is how to accurately validate the identity of the system or user connecting to a service. One possible means for identification that has attracted attention recently is finding and identifying a 'MachineID', some form of unique identifier that is specific to a particular physical system and which is difficult to reliably fake. This might take the form of tracking internal network IP addresses, end user system patch levels and browser configuration, and even tracking of end user system hardware configuration.

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