[20151119]IN10400_巴黎袭击和“走向黑暗”：需要考虑的情报相关问题.pdf

CRS INSIGHTParis Attacks and Going Dark: Intelligence-Related Issues to ConsiderNovember 19, 2015 (IN10400) |Related Policy IssueIntelligence and National Security Related AuthorAnne Daugherty Miles |Anne Daugherty Miles, Analyst in Intelligence and National Security Policy (amilescrs.loc.gov, 7-7739)Authorities are tracking numerous individuals involved in the deadly assault in Paris on November 13, 2015. According to one report, a rogues gallery of homegrown terrorists with links to Islamist groups has become large enough and is acting stealthily enough to make tracking them increasingly difficult for the regions intelligence agencies. (See CRS Insight IN10209, European Security, Islamist Terrorism, and Returning Fighters, by Kristin Archick and Paul Belkin.)While CRS has found no specific evidence of encrypted communications linked to the Paris attacks cited in news reports, some are using the Paris attacks to highlight the difficulties of collecting intelligence when communications data can be encryptedan issue called going dark. On November 16, 2015, Central Intelligence Agency (CIA) Director John Brennan stated:Operatives and terrorist networks . have gone to school on what i