Securing SCADA network access from a remote terminal unit
First Claim
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1. A computer-implemented method, comprising:
- receiving, a first message from a remote terminal unit (RTU), wherein the first message indicates that a motion has been detected;
in response to receiving the first message, starting a timer at a supervisory control and data acquisition (SCADA) server;
determining whether a personal identification number (PIN) verification and a radio-frequency identification (RFID) verification with respect to the RTU have succeeded before the timer expires; and
in response to determining that at least one of the PIN verification or the RFID verification fails, disabling a communication port connecting the RTU with the SCADA server.
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Abstract
A first message from a remote terminal unit (RTU) is received, where the first message indicates that a motion has been detected. In response to receiving the first message, a timer is started at a supervisory control and data acquisition (SCADA) server. Whether a personal identification number (PIN) verification and a radio-frequency identification (RFID) verification have succeeded is determined before the timer expires. In response to determining that at least one of the PIN verification or the RFID verification fails, a communication port connecting the RTU with the SCADA server is disabled.
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Citations
20 Claims
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1. A computer-implemented method, comprising:
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receiving, a first message from a remote terminal unit (RTU), wherein the first message indicates that a motion has been detected; in response to receiving the first message, starting a timer at a supervisory control and data acquisition (SCADA) server; determining whether a personal identification number (PIN) verification and a radio-frequency identification (RFID) verification with respect to the RTU have succeeded before the timer expires; and in response to determining that at least one of the PIN verification or the RFID verification fails, disabling a communication port connecting the RTU with the SCADA server. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A supervisory control and data acquisition (SCADA) server, comprising:
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a memory; and at least one hardware processor communicatively coupled with the memory and configured to; receive, a first message from a remote terminal unit (RTU), wherein the first message indicates that a motion has been detected; in response to receive the first message, start a timer at the supervisory control and data acquisition (SCADA) server; determine whether a personal identification number (PIN) verification and a radio-frequency identification (RFID) verification have succeeded before the timer expires; and in response to determining that at least one of the PIN verification or the RFID verification fails, disable a communication port connecting the RTU with the SCADA server. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A non-transitory, computer-readable medium storing one or more instructions executable by a computer system to perform operations comprising:
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receiving, a first message from a remote terminal unit (RTU), wherein the first message indicates that a motion has been detected; in response to receiving the first message, starting a timer at a supervisory control and data acquisition (SCADA) server; determining whether a personal identification number (PIN) verification and a radio-frequency identification (RFID) verification with respect to the RTU have succeeded before the timer expires; and in response to determining that at least one of the PIN verification or the RFID verification fails, disabling a communication port connecting the RTU with the SCADA server. - View Dependent Claims (17, 18, 19, 20)
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Specification