In 2010, a powerful computer virus "Stuxnet" aimed at attacking the industrial control system made by Siemens appeared. The virus will spread to devices plugged into the computer's USB interface and steal data from it. This is the first time a hacker has attempted to invade a large industrial computer system virus. This incident sounded the alarm for "preventing virus attacks".
The 2010 "Shocknet" virus incident damaged Iran's nuclear facilities and shocked the world. This marks the escalation of a cyber attack from the traditional "soft attack" stage to a "hard destruction" stage that directly attacks core critical systems such as electricity, finance, communications, and nuclear facilities. Responding to high-intensity continuous attacks (APT) has become a core issue for ensuring the security of the country ’s key infrastructure, ensuring national security, social stability, economic development, and the stability of people ’s lives. The traditional blocking safety protection method is difficult to solve the security problem of closed real-time processing industrial control systems.
In the "Prism Door" incident in June 2013, information security once again caused widespread concern. When the acquisition and analysis of big data becomes the only way for the prism plan, it is inevitable that companies at the forefront of technology are involved in this plan. The field of intelligent industrial control cannot be alone.
Industry is an important part of the country's key infrastructure, and the safety of industrial control systems is related to the country's strategic safety. At present, the development and application of a variety of new information technologies including industrial control informatization, triple play, Internet of Things, and cloud computing have brought new tasks and challenges to the information security of industrial control systems. The safety of industrial control systems The problem cannot be ignored.
Security issues that cannot be ignored in the rapid development of the Internet of Things
In a sense, the Internet of Things is facing an infinite collection of objects, a new type of virtual system that interacts with the real world in real time. Its core and foundation are still the Internet, which is an extension and expansion of the Internet The network realizes the forwarding and transmission of information through its network layer, and transmits the information obtained by the perception layer to the remote end, which provides strong support for the intelligent processing and analysis and decision-making of data at the remote end.
With the widespread application of the Internet of Things in national infrastructure, the security issues of the Internet of Things have risen to the national level. The major industrial industries such as petroleum, petrochemical, metallurgy, electric power, and coal mines are important industries related to the national economic foundation and social stability. Industrial Internet of Things information security, strengthen the security protection of the control system, not only to ensure the safety of national infrastructure, but also to promote the orderly and healthy development of the Internet of Things industry in the industrial field.
Industry is an important field of Internet of Things applications. Various types of terminals with environmental awareness, computing models based on ubiquitous technology, and mobile communications are continuously integrated into all aspects of industrial production, which can greatly improve manufacturing efficiency, improve product quality, reduce product costs and resource consumption, and enhance traditional industries. To a new stage in the smart industry. In the industrial field, the development and application of the Internet of Things can finally be implemented at the level of informatization. The Internet of Things will penetrate information into all aspects of the production process, making information deeper and more extensive. Its large-scale application will effectively promote industrialization and information. The "integration of the two" has become an industrial upgrade during the economic transformation. skill improved. An important driving force for economic development. However, during the implementation of the Internet of Things in the industrial field, it faces many problems. For example, technicians need to integrate multiple technologies to achieve data collection and sharing between multiple different protocols in order to truly gather data from the perception layer to In the database, in the whole process, not only face the data processing problem between different protocols, but also face the network security problem when the control network and the information network are connected.
The application of the Internet of Things is a product of the close integration of information technology and industry expertise. IoT information security in different industries has its own characteristics and priorities, so the countermeasures taken are also different. Safety is the key to the success of intelligent manufacturing systems. It is very important to ensure that the equipment and products themselves do not cause danger to users or pollute the environment. At the same time, the information contained in devices and products particularly needs to be protected to prevent the information from being misused or used without authorization. This will place higher demands on the safety of industrial control systems.
In the field of process automation, due to the complexity of the process and the large number of equipment, if the automatic control system has weak links in terms of safety performance, it is likely to lead to the failure of the overall control system, or even lead to a malignant safety accident, which ultimately causes serious harm to personnel, equipment and the environment as a result of.
Strong support from national policies
On September 15, 2004, the Ministry of Public Security, the National Bureau of Confidentiality, the State Encryption Administration, and the State Information Office jointly issued the "Implementation Opinions on Information Security Level Protection" to clarify the basic methods of implementing level protection.
On June 22, 2007, four units jointly issued the "Administrative Measures on Information Security Level Protection" (Document 43), which standardized the management of information security level protection.
On October 25, 2011, a notice on strengthening the information security management of industrial control systems was issued, requiring all regions, relevant departments, and large state-owned enterprises to fully understand the importance and urgency of industrial control system information security, and effectively strengthen the industrial control system. Information security management to ensure the safety of industrial production operations, national economic security and the safety of people's lives and property.
On August 22, 2013, the National Development and Reform Commission issued the "Notice on Organizing and Implementing the 2013 National Information Security Special Issues," which is another policy support following last year's special program. This special project is mainly aimed at the actual needs of information security in the fields of finance, cloud computing and big data, information system confidential management, industrial control, etc. The special key support areas include financial information security, cloud computing and big data information security, The four major areas of information security classification protection, industrial control information security and so on.
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