【摘要】 根据网络安全态势感知理论国内外发展现状,研究网络安全特征要素提取、网络安全态势评估和网络安全态势预测等关键技术主要方法研究现状及优缺点,分析当今大数据环境的安全风险和挑战以及大数据环境下网络安全态势感知面临的技术难点问题,对未来大数据环境下网络安全态势感知未来研究方向进行总结和展望。更多还原

【Abstract】 According to the development of network security situational awareness theory at home and abroad,the research status, advantages and disadvantages of key technologies such as extraction of network security characteristics, network security situational assessment and network security situational prediction are researched in this paper, the security risks and challenges in big data environment and the difficult problems faced by network security situational awareness in big data environment are analyzed. The future research directions of network security situational awareness in big data environment are summarized and prospected.更多还原