Research on security and privacy protection of database

As the wide application of computer and information sharing, database security and privacy of data become a research hotspot. First this paper analyzes the security threats the database face, from internal personnel errors, configuration, social engineering, and not patched vulnerabilities four aspects. And then it expounds database system security technologies that are database authentication, access control and audit. Finally, this paper introduces the privacy protection of the database. It hopes to provide the certain reference significance in improving the database security and privacy protection technology.