Secured method for testing and maintenance of bulk electrical systems (BES) assets
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United States of America Patent
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Apr 14, 2020
Grant Date -
Oct 5, 2017
app pub date -
Mar 29, 2017
filing date -
Apr 1, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method for protecting a mobile terminal device from cyber security threats, including the steps of: detecting that the mobile terminal device is successfully connected only through one or both of a selected physical serial interface connected to a device for facilitating the testing or a wired network interface, which is connected to an electrical utility device. Prior to executing a test routine by the mobile terminal device, switching the mobile terminal device to a test state by: disabling an internal firewall, disabling one or more remaining network interfaces and serial interfaces, such that existing communications or connections are terminated and new communications and connections are prevented. Enabling communication to one or both of the selected physical serial interface and the wired network interface, performing the testing on the at least one electrical utility device according to the executed test routines under control of the mobile terminal device until completion.
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