收藏的关于大数据时代的网络安全策略的论文，和大家一同分享。-The article firstly overviewed “Big Data Research and Development Initiative” announced recently

by the U.S. federal government　a perspective of big data-based information network security development,

especially analyzed the positioning , objective and expected results of XDATA program. Subsequently, the article

provided in-depth analysis of the features at different levels for U.S. information security strategy in the era

of big data. As a conclusion, the article indicates that big data has become a cross-cutting area across national

strategies for innovation, security, ICT industry development and information security, and U.S. has created a

virtual information network security strategy on the basis of big data which aimed at addressing the core technical

challenge and strengthening the predominance of information security strategy as whole in future.