Open Source Network Analysis

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= the use of open information sources to apply Social Network Analysis


From :

"Advanced technology and Web-savvy citizenry now make it possible for open-source information gathering to rival, if not surpass, the clandestine intelligence produced by government agencies.

Indeed, open-source methods have already proved their worth in counterterrorism. Shortly after Sept. 11, Valdis Krebs, a security expert, re-created the structure and identities of the core Al Qaeda network using publicly available information accessed from the Internet. He started with two 9/11 hijackers, Nawaf al-Hazmi and Khalid Almihdhar, who were identified from a photograph taken while they attended a meeting with known terrorists in Malaysia in 2000. By scanning public sources for information linking these suspects to others, he re-created the social network identifying all 19 hijackers and described their relationships to their coconspirators, including the identification of Mohammed Atta as the ringleader."