A security testbed is an important aspect of Industrial Control System (ICS) security research. However, existing testbeds still have many problems in that they cannot fully simulate enterprise networks and ICS attacks. This paper presents a Multiple-Scenario Industrial Control System Testbed (MSICST), a hardware-in-the-loop ICS testbed for security research. The testbed contains four typical process scenarios: thermal power plant, rail transit, smart grid, and intelligent manufacturing. We use a combination of actual physical equipment and software simulations to build the process scenario sand table and use real hardware and software to build the control systems, demilitarized zone, and enterprise zone networks. According to the ICS cyber kill chain, the attacker is modeled, and two typical attack scenarios are constructed in the testbed. Through research into this security solution, whitelist-based host protection and a new Intrusion Detection System (IDS) are proposed and tested.
Traditional design can not choose appropriate CPU, peripherals and I/O module for different slave station of MECHATROLINK-III bus. Aimed at these issues, this paper proposes a slave station solution based on SOPC technology. To make I/O device as an example, a MECHATROLINK-III bus slave station is designed using SOPC, NIOS soft core and FPGA technologies. Data link layer peripherals, I/O module and CPU are customized and implemented in this slave station. The operation mode of this slave station can be changed by software method instead of hardware. The interrupting module is constructed using IP component technology to enable the interrupt handler. Finally the slave station driver of MECHATROLINK-III bus is transplanted to this I/O device to achieve Master/Slave communication based on MECHATROLINK-III protocol. The experiment results show that the proposed solution can enhance reusability and flexibility of the slave station.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.