关键词: 电子政务, 数据安全, 全生存周期, 态势感知, 风险监控

Abstract: As our country vigorously promotes the cultivation of data element market, data value increasingly prominent, the damage from the data breach is growing, Data Security Law of the people's Republic of China  had been issued, which claims to complement Data security governance system, and strengthen data sharing and security measures. At this rate of development, some e-government operators begin to plan and design the data security technology protection system which covers the whole life cycle and takes the data security situation awareness platform as the core. This paper analyzes the data security risk and demand of e-government system， based on the research on the model of data security management capability building at home and abroad， try to design and construction of data security situational awareness platform, which provides a basis for e-government operators to gradually realize the business objectives of visible, clear, manageable, strong audit and traceability of data assets.

Key words: E-government , data security, full life cycle, situational awareness, risk monitoring