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Liu, Donglan, Wang, Rui, Zhang, Hao, Ma, Lei, Liu, Xin, Huang, Hua, Chang, Yingxian.  2020.  Research on Data Security Protection Method Based on Big Data Technology. 2020 12th International Conference on Communication Software and Networks (ICCSN). :79—83.
The construction of power Internet of things is an important development direction of power grid enterprises in the future. Big data not only brings economic and social benefits to the power system industry, but also brings many information security problems. Therefore, in the case of accelerating the construction of ubiquitous electric Internet of things, it is urgent to standardize the data security protection in the ubiquitous electric Internet of things environment. By analyzing the characteristics of big data in power system, this paper discusses the security risks faced by big data in power system. Finally, we propose some methods of data security protection based on the defects of big data security in current power system. By building a data security intelligent management and control platform, it can automatically discover and identify the types and levels of data assets, and build a classification and grading information base of dynamic data assets. And through the detection and identification of data labels and data content characteristics, tracking the use of data flow process. So as to realize the monitoring of data security state. By protecting sensitive data against leakage based on the whole life cycle of data, the big data security of power grid informatization can be effectively guaranteed and the safety immunity of power information system can be improved.
Xu, P., Chen, L., Jiang, Y., Sun, Q., Chen, H..  2020.  Research on Sensitivity Audit Scheme of Encrypted Data in Power Business. 2020 IEEE International Conference on Energy Internet (ICEI). :6–10.

With the rapid progress of informatization construction in power business, data resource has become the basic strategic resource of the power industry and innovative element in power production. The security protection of data in power business is particularly important in the informatization construction of power business. In order to implement data security protection, transparent encryption is one of the fifteen key technical standards in the Construction Guideline of the Standard Network Data Security System. However, data storage in the encrypted state is bound to affect the security audit of data to a certain extent. Based on this problem, this paper proposes a scheme to audit the sensitivity of the power business data under the protection of encryption to achieve an efficient sensitivity audit of ciphertext data with the premise of not revealing the decryption key or data information. Through a security demonstration, this paper fully proves that this solution is secure under the known plaintext attacks.

Tian, Mengfan, Qi, Junpeng, Ma, Rui.  2019.  UHF RFID Information Security Transmission Technology and Application Based on Domestic Cryptographic Algorithm. 2019 6th International Conference on Behavioral, Economic and Socio-Cultural Computing (BESC). :1–4.
With the continuous development of the Internet of Things, intelligent manufacturing has gradually entered the application stage, which urgently needs to solve the problem of information transmission security. In order to realize data security with transmission encryption, the UHF RFID tag based on domestic cryptographic algorithm SM7 is proposed. By writing the anti-counterfeiting authentication identification code when the tag leaves the factory, verifying the identification code when the tag is issued, and using the authentication code of the tag to participate in the sectoral key dispersion, the purpose of data security protection is achieved. Through this scheme, the security of tag information and transmission is guaranteed, and a new idea is provided for the follow-up large-scale extension of intelligent manufacturing.