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220v-650w电加热管

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Physical interaction. In a typical IT system, no physical interaction with the environment. In the field of ICS, ICS and physical process and the consequences are very complex interaction, this can be achieved by physical events. All integrated into ICS security functions must be tested (for example, on the ICS of comparable offline), to show that the function of the ICS perfectly normal.220v-650w加热管

Time critical response. In a typical IT system, the implementation of access control does not consider the size of the data stream. For some ICS, automated response time or the human-computer interaction system response is critical. For example, the human-machine interface (HMI) is needed in the password authentication and authorization shall not hinder or interfere with the ICS urgent action. Information flow can’t interrupt or damage. To access these systems should be strictly physical security control.

System is running. ICS of the operating system (OS) and the application may not be able to tolerate IT typical security practices. In the old system because of the lack of resources and the current interrupt particularly vulnerable. Control network is relatively complex, usually require different levels of expertise (for example, the control network is usually administered by the control engineer, rather than by the IT staff). In a run in the network control system, software and hardware upgrade is very difficult. Many systems may not have the required functions, including information encryption, the error log and password protection.220v-650w加热管

Resource constraints. ICS and real-time operating system is often restricted by resource system, usually does not include the typical IT security capabilities. ICS

Physical interaction. In a typical IT system, no physical interaction with the environment. In the field of ICS, ICS and physical process and the consequences are very complex interaction, this can be achieved by physical events. All integrated into ICS security functions must be tested (for example, on the ICS of comparable offline), to show that the function of the ICS perfectly normal.

Time critical response. In a typical IT system, the implementation of access control does not consider the size of the data stream. For some ICS, automated response time or the human-computer interaction system response is critical. For example, the human-machine interface (HMI) is needed in the password authentication and authorization shall not hinder or interfere with the ICS urgent action. Information flow can’t interrupt or damage. To access these systems should be strictly physical security control.

System is running. ICS of the operating system (OS) and the application may not be able to tolerate IT typical security practices. In the old system because of the lack of resources and the current interrupt particularly vulnerable. Control network is relatively complex, usually require different levels of expertise (for example, the control network is usually administered by the control engineer, rather than by the IT staff). In a run in the network control system, software and hardware upgrade is very difficult. Many systems may not have the required functions, including information encryption, the error log and password protection.

Resource constraints. ICS and real-time operating system is often restricted by resource system, usually does not include the typical IT security capabilities. ICS components may not be able to provide computing resources increase security functions. In addition, in some cases, as a result of the ICS manufacturer license and service agreement, are not allowed to use third-party security solution, if the installation of the third party applications without supplier confirmation or approval, may be losing the support of the service.

components may not be able to provide computing resources increase security functions. In addition, in some cases, as a result of the ICS manufacturer license and service agreement, are not allowed to use third-party security solution, if the installation of the third party applications without supplier confirmation or approval, may be losing the support of the service.

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