Abstract:

With the rapid development of information technology and network, our critical infrastructure and government websites have been attacked frequently. More severe, the various types of network attacks and cyber threats present trend of development of continuity and expansion. The traditional passive means of defense can not meet the advanced persistent threat (APT), 0 day and other new network threat protection.But threat intelligence appeared to make up for this shortfall. As national cybersecurity early start country, in early 20th century the United States began to pay attention to the threat intelligence.Now,it has gradually established a complete system to deal with cyber threats. In this paper, we have provided a present situation with cyber threat intelligence of the US government and businesses. It can provide a useful reference for the threats to our government and industry intelligence. Firstly, the definition and types of threat intelligence has been analyzed. Then five areas has been studied and analyzed,such as the bills and Presidential Decree of the threat intelligence of the US , "Einstein Program", sharing mechanism , the relevant projects. Meanwhile,The work of the US companies of the cyber threat intelligence has been overviewed. Finally, on the basis of comparative and analysis of the US cyber threat intelligence, we put forward some enlightenment.

Key words: cyber threat intelligence, information sharing, cyber security, United States