DocumentRelease Date: 2014-12-04 Document Date: 2010-01-08
This 19-page NSA paper, delivered at the 2010 Five Eyes SIGDEV conference, gives a technical explanation of the importance of sourcing mobile carriers’ roaming agreements (IR.21): see the Intercept article Operation Auroragold: How the NSA Hacks Cellphone Networks Worldwide, 4 December 2014. ir21-a-technology-warning-mechanism
(S//REL TO USA, FVEY ) IR.21 - A Technology Warning Mechanism SDC2010 SSG4/T3C Technical Director Derived From: NSA/CSSM 1 -52 Dated: 20070108 Declassify On: 20341201 TOP SE...
DocumentRelease Date: 2013-12-04
This excerpt from an NSA training manual shows the use of TAPERLAY and CHALKFUN tools. The former looks up the provider and country where a phone was first activated and the latter searches the FASCIA database to find a mobile phone’s past or current location: see the Washington Post article NSA tracking cellphone locations worldwide, […]
2 Human intelligence source indicates person is located outside the U.S. RFI -Foreign Factor: Human intelligence source indicates person is located outside the U.S. -Foreign Source ID: ABCD...