Security Access Control in Electricity Market Operation System

Abstract: The security access control information in the power market operation system is provided by excellent flowmeter and flowmeter manufacturers. Introduction The security access control goal of the power market operation system is to ensure that legitimate users can access business applications and market information within the scope of authorization, while denying illegal users access to the system to ensure that data is not stolen and tampered with during transmission. electricity. You are welcome to inquire for more flowmeter manufacturers to select models and price quotations. The following is the details of the security access control article in the power market operation system. Introduction The security access control goal of the power market operation system is to ensure that legitimate users can access business applications and market information within the scope of authorization, while denying illegal users access to the system, to ensure that data is not stolen and tampered with during transmission. The electricity market has a wide coverage, fragmented market members, many types of users in the market, and different access rights. For example, traders of each market member can inquire about market information and declare transaction data within the scope of authorization on behalf of their market members; managers of market members can manage their subordinate traders and bidding units; traders of electricity market trading center It can match and intervene in a certain type or several types of transactions within the scope of authorization; the settlement personnel conduct assessment and settlement according to various transaction results and execution results. The data exchanged between market members and trading centers can be divided into two categories: public information and private information. Public information is open to all market members; while private information is only open to corresponding market members; such as market members' transaction declaration information, bid winning information and settlement information. Market private information is a commercial secret, and it is necessary to confirm that the visitor has a legal identity, and to ensure that the data is not stolen during the transmission process. In addition, user access rights are not only related to business functions, but also related to data. They are also data declarers, but the bidding units that can declare are different. The permission settings of various users are related to market rules, and changes in the rules will also lead to adjustment of user permissions. The diversity of users in the electricity market and the confidentiality of market information require the electricity market operation system to have a flexible and strict security access control mechanism. This paper discusses the design and implementation of security access control by taking the actual operation of the regional electricity market operation system based on the Java2 Platform Enterprise Edition (J2EE) architecture as an example. 1. The overall structure of security access control The security of the power market operation system can be divided into three aspects: hardware equipment security, system software security and application software security. Security protection is like a barrel, and any security breach in any aspect will lead to the failure of system security access control. The security of hardware equipment mainly refers to the use of communication networks, switches, routers, firewalls, IP authentication and encryption devices, security isolation devices, database servers, application servers and various workstations that meet the corresponding security standards; system software security refers to the use of operating System software, database management software, and middleware support software comply with corresponding security standards; application software security means that application software has strict user authorization and authentication mechanisms, and can encrypt and transmit important data exchanged. The overall structure of the security access control of the power market operation system is shown in Figure 1. The use of secure communication network equipment and host equipment is an important basis for system security control, and high-security communication network equipment can eliminate a large number of security risks. The power market operation system is physically or logically isolated from other business systems through private network and virtual private network technologies, and the access devices and communication ports of the system are restricted through firewalls, IP authentication encryption, and physical isolation devices. Intrusion detection probes are deployed inside the system and at the access gateway to detect potential security risks in the system, which helps to continuously improve the security protection performance of the system [3'5]. Security loopholes in application support systems such as operating systems, database management systems and middleware are another security risk in the power market operation system. Because the system software integrates a large number of services, the information such as the open communication ports and default users are relatively open and vulnerable to attack. The important applications of the system should use the operating system with higher security performance as much as possible, change the default user settings of the database system and middleware system, and close the unneeded underlying services and listening ports. Regularly upgrade the security patches of system software, patch security loopholes, and deploy antivirus software. The security protection of the hardware layer and the system software layer can be achieved by using third-party products that meet security standards and reasonable deployment. Once the security protection is breached, the permission management and encrypted transmission of the application layer will become the last security barrier. Even if the hardware layer and the system software layer are secure, permission management at the application layer is required to control each user's business operations and management within the scope of authorization, and to access various market confidential information within the scope of authorization.

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