('-.   ('-.     _  .-')       .-') _  _   .-')                _  .-')     ('-.   
        _(  OO) ( OO ).-.( \( -O )     ( OO ) )( '.( OO )_             ( \( -O )  _(  OO)  
 ,--.     (,------./ . --. / ,------. ,--./ ,--,'  ,--.   ,--.).-'),-----. ,------. (,------. 
 |  |.-')  |  .---'| \-.  \  |   /`. '|   \ |  |\  |   `.'   |( OO'  .-.  '|   /`. ' |  .---' 
 |  | OO ) |  |  .-'-'  |  | |  /  | ||    \|  | ) |         |/   |  | |  ||  /  | | |  |     
 |  |`-' |(|  '--.\| |_.'  | |  |_.' ||  .     |/  |  |'.'|  |\_) |  |\|  ||  |_.' |(|  '--.  
(|  '---.' |  .--' |  .-.  | |  .  '.'|  |\    |   |  |   |  |  \ |  | |  ||  .  '.' |  .--'  
 |      |  |  `---.|  | |  | |  |\  \ |  | \   |   |  |   |  |   `'  '-'  '|  |\  \  |  `---. 
 `------'  `------'`--' `--' `--' '--'`--'  `--'   `--'   `--'     `-----' `--' '--' `------'

XKEYSCORE Slide Presentations:

XKEYSCORE - Feb 25, 2008 ()
XKS, Cipher Detection, and You! Aug 21, 2008 ()
NSA XKEYSCORE slides - XKS, Cipher Detection, and You!
HTTP Activity in XKEYSCORE - March, 2009 ()
NSA XKEYSCORE slides - HTTP activity
VOIP in XKS - March, 2009 ()
NSA XKEYSCORE slides - VOIP in XKS
XKEYSCORE Search Forms - March, 2009 ()
NSA XKEYSCORE slides - Search Forms
Finding and Querying Document Metadata - April, 2009 ()
NSA XKEYSCORE slides - Finding and Querying Document Metadata
Analyzing Mobile Cellular DNI in XKS - May, 2009 ()
NSA XKEYSCORE slides - Analyzing Mobile Cellular DNI
Full Log vs HTTP - June 11, 2009 ()
NSA XKEYSCORE slides - Full Log vs HTTP
HTTP Activity vs User Activity - June 19, 2009 ()
NSA XKEYSCORE slides - HTTP Activity vs User Activity
Email Address vs User Activity - June 24, 2009 ()
NSA XKEYSCORE slides - Email Address vs User Activity
Using XKS to Enable TAO - July 16, 2009 ()
NSA XKEYSCORE slides - Using XKS to Enable TAO
Web Forum Exploitation Using XKS- July, 2009 ()
NSA XKEYSCORE slides - Web Forum Exploitation Using XKS
Free File Uploaders (FFU) - Aug 13, 2009 ()
NSA XKEYSCORE slides - Free file uploaders
Intro to XKS AppIDs and Fingerprints - Aug 27, 2009 ()
NSA XKEYSCORE slides - Intro to XKS AppIDs and Fingerprints
Tracking Targets on Online Social Networks - Sept, 2009 ()
NSA XKEYSCORE slides - Tracking Targets on Online Social Networks
Phone Number Extractor - Oct, 2009 ()
NSA XKEYSCORE slides - Phone Number Extractor
CNE Analysis in XKS - Oct 15, 2009 ()
NSA XKEYSCORE slides - CNE Analysis in XKS
XKS as a SIGDEV Tool - 2009 ()
NSA XKEYSCORE slides - XKS as a SIGDEV Tool
Advanced HTTP Activity Analysis - 2009 ()
NSA XKEYSCORE slides - Advanced HTTP Activity Analysis
Tech Extractor - April, 2010 () - Dec 2009 ()
NSA XKEYSCORE slides - Tech Strings in Documents - Tech Extractor
Intro to Context Sensitive Scanning With XKS Fingerprints - May, 2010 ()
NSA XKEYSCORE slides - Intro to Context Sensitive Scanning With XKS Fingerprints
User Agents - July, 2010 ()
NSA XKEYSCORE slides - User Agents
Writing XKS Fingerprints - Nov, 2010 ()
NSA XKEYSCORE slides - Writing XKS Fingerprints
XKS for Counter CNE - March, 2011 ()
NSA XKEYSCORE slides - XKS for Counter CNE
XKEYSCORE Workflows - Sep 19, 2011 () - Mar 5, 2009 ()
NSA XKEYSCORE slides - XKS Workflows 2011
XKS System Administration - Dec, 2012 ()
NSA XKEYSCORE slides - XKEYSCORE System Administration guide
XKS Appids and Fingerprints - ();   and XKS Application IDs ()
NSA XKEYSCORE slides - AppIDs and Fingerprints

XKEYSCORE User Guide and Documentation:

NSA XKEYSCORE user guide and XKEYSCORE fingerprints documentation