This undated NSA SIGINT presentation describes nine varieties of QUANTUM malware attack, their operational status and success in the field: see the Intercept article How the NSA Plans to Infect ‘Millions’ of Computers with Malware, 12 March 2014.
This short extract from an April 2011 NSA document describes the operation of the agency’s QUANTUMHAND tool: see the Intercept article Compare the NSA’s Facebook Malware Denial to its Own Secret Documents, 15 March 2014.
This presentation from the 2010 SIGDEV Conference describes the contribution made by GCHQ to the development of Quantum techniques: see the Intercept article How the NSA Plans to Infect ‘Millions’ of Computers with Malware, 12 March 2014.
This Booz Allen Hamilton presentation on the NSA’s Quantum tools describes the different kinds of malware attacks available to workgroups within the agency, the procedure an analyst must follow in order to make use of them and the way the systems themselves work, using a “man-on-the-side” attack from TAO’s FOXACID server. It also describes the respective Quantum capabilities of the NSA and GCHQ. See the Der Spiegel article Inside TAO: Documents Reveal Top NSA Hacking Unit, 29 December 2013.