Abstract
With the wide application of big data in various fields, the security of big datais also receiving more and more attention, especially the protection of user privacy. In order to solve the series of security and privacy protection problems brought by big data, domestic and foreign technology researchers have put forward many countermeasures, which laid the foundation for the research of the article. Based on the description of the key technologies of big data privacy protection widely used at present, this paper proposes a whole privacy protection scheme under the big data environment, which has certain practical guiding value.
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