For enterprises, the online world has accumulated too many important information materials, such as enterprise customer information, R & D data, production data, and operation information. The organization does not want these value materials to leave the internal network environment or even allow them to be outside the network. Delivery and communication. But modern organizations cannot refuse the interaction of the Internet, nor can they close the organization to an information island. While uploading, downloading and distributing files in the network, employees may circulate many important information of the organization to the outside of the network, thereby causing serious security threats to important intellectual property rights. What preventive measures should be taken to avoid risks? Chairman Mingzhi Wanda Wang Zhihai said: "The protection of intellectual property rights needs to rely on legal and administrative means, and at the same time, it must be regulated and managed with the necessary technical means to eliminate confidential information from both management and technical levels. Leakage is the fundamental way to solve the problem and prevent it from happening. "
Data confidentiality is not only reflected in a single function or a single encryption function, but should be comprehensively controlled from multiple processes such as data generation, access, storage, and outgoing. To be able to effectively protect the security of all aspects of terminal data: the process of disassembling the disk that stores data, the process of storing data through mobile devices, and the process of exchanging data through software such as QQ and Feiqiu should be strictly managed. Any unauthorized data sent or obtained should be in a controlled or encrypted state. It has the function of pre-defense for employees' intentional or unintentional actions such as copying screens and screenshots that threaten security. In general, the need for data confidentiality is to protect the internal core data. Through a variety of technical means, encryption of the disk, outgoing encryption, etc., prevent data from being sent or spread by unauthorized personnel.
Dalian Matsushita Automotive Electronic System Co., Ltd. is mainly engaged in automotive electronic products, with a monthly output of about 350,000 units, of which about 64% of the company's products are exported overseas, and the domestic market OEM sales share has reached 13%. The company currently has 25 departments, and currently uses OA, ERP, mail servers and other systems for office needs. A large amount of data is transferred in each application system. The huge organizational structure has also increased invisibly while creating profits for the company. Risk channels for core data leakage. According to a comprehensive analysis of sensitive data terminals involved in the internal network environment of Panasonic Automotive Electronics Company, Ming Dynasty Wanda will deploy a DLP data anti-leakage solution for it, which uses the "environmental encryption technology" as the technical concept from the data location From the perspective of environment and application scenarios, it constructs a secure and confidential system.
Establish a data security environment
The Ming Dynasty Wanda DLP data anti-leakage solution uses disk encryption, network transmission control, mobile storage device management, and peripheral control to ensure the establishment of a data security environment. Disk encryption mainly uses disk drive encryption technology to enforce encryption on disk sectors. Once the disk is disassembled or lost, the data cannot be opened. The network transmission control can control all management scope terminals to only allow access to core application systems, and other unrelated networks cannot access. Mobile storage device management can help internally strengthen the security management of common mobile devices, realize internal transparency, keep secrets externally, and prevent viruses, help units establish a unified and standardized management method, which not only facilitates internal communication but also encrypts data to prevent leakage . Peripheral control can control the computer to leak data through abnormal means, such as Bluetooth, infrared and other devices.
Data flow control management
According to the actual business situation of Dalian Matsushita Automotive Electronic System Co., Ltd., it manages and controls the data transfer method reasonably, so as to be targeted, fully maintain the existing data exchange habits, provide advanced management concepts, and strictly control the data.
The internal exchange of data, the transparent exchange of all data within the same organization, does not have any impact on work habits. I do n’t even feel the existence of an encryption system; partner data exchange, for partners must fully consider the credit factor, not only can provide them with certain data access and reading methods, but also should strictly manage and control their data At the same time, it should also be considered not to have an additional impact on their work; ordinary foreign exchange, providing a strict approval mechanism, data privately taken out is in a state of encryption, unless allowed by specific personnel authorization to take out.
Based on the comprehensive management and control architecture of Beijing Mingchao Wanda Chinasec (Anyuan) Trusted Network Security Platform, it implements server access control, data operating environment encryption, data terminal operation behavior monitoring and auditing (including email sending and receiving monitoring auditing, and website access monitoring) Audit, file operation monitoring audit) and other functions, combined with a variety of security control measures and management audit methods, to enhance data protection for Dalian Matsushita Automotive Electronic System Company from multiple angles, when the data is stored in a trusted area, Users can manipulate the data at will. When the data leaves the trusted area, authorized users can operate and use the document according to their own authorization. Set border control and border encryption technology to realize three-dimensional data interactive authorization and control.
The function of the pointer type oil level gauge is to display the oil level in the transformer oil reservoir. Directly mounted on the tank wall. The float rod can transmit the lifting action of the float to the transmission shaft. The drive shaft is connected with the external pointer spindle. The float generally moves radially in the oil tank.
The Tubular Oil Level Gauge is used to judge whether the transformer is short of oil through the color in the observation window by floating the float up and down. Generally, the observation is full of red marks indicating that the transformer tank is short of oil and needs to be replenished; Patrol inspectors of glass tube type oil level gauge can directly see the amount of transformer oil through the height of the oil level line in the glass tube. When the oil level is below - 30 °, oil replenishment is required
YZF series oil level gauges produced by our company are used on oil conservators of fully sealed large and medium transformers. When the oil level in the oil conservator changes, the floating ball on the connecting rod of the oil level gauge swings up and down to drive the rotating mechanism of the oil level gauge to rotate. The oil level in the oil conservator is indicated on the dial by the pointer through the rotation of the magnetic coupler and the pointer shaft. The oil level gauge is equipped with an over limit oil level alarm mechanism, which can realize remote oil level monitoring.
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