International Journal of Network Security
For some purposes, such as benefits, requirement-fitted services and management, enterprises regularly ask customers, employees, and business partner to provide relevance data including sensitive personal information. However, transparent information brings the infringement of privacy and threats of living security to the data providers. Recently, enterprises have suffered from the loss of potential customers and benefits because of the rise of privacy protection consciousness. Therefore, this paper researches in the solutions of data privacy protection in enterprises, and classifies into three categories, \"Role-based\", \"Purpose-based\", and \"Extension\".