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Intrusion Analysis / JeAC


Release Date: 2015-06-22 Document Date: 2008-07-23
This GCHQ document, last updated on 23 July 2008, provides information about the agency’s systems for detecting network threats and authorisation procedures: see the Intercept article Spies Hacked Computers Thanks to Sweeping Secret Warrants, Aggressively Stretching U.K. Law, 22 June 2015.
SECRET STRAP1 Intrusion Analysis/JeAC The IA team conducts all-source analysis both of emerging and current electronic attack types. It forms part of the Joint Electronic Attack Cell (JeAC)...

Software reverse engineering


Release Date: 2015-06-22 Document Date: 2008-07-15
This GCHQ document last updated on 15 June 2008 describes the purpose of the agency’s attempts to reverse engineer commercial antivirus software: see the Intercept article Popular Security Software Came Under Relentless NSA and GCHQ Attacks, 22 June 2015.
TOP SECRET Software Reverse Engineering Network Defence performs reverse engineering both of malicious and of non- malicious code - i.e,.code is translated from machine-readable to human-re...

Cyber Defence Operations Legal and Policy


Release Date: 2015-09-25
This undated page from GCHQ’s internal GCWiki shows that the agency’s usual retention periods for metadata and content can be extended for cyber defence purposes: see the Intercept article Profiled: From Radio to Porn, British Spies Track Web Users’ Online Identities, 25 September 2015.
cyber-defence-operations-legal-and-policy-p1-normal.gif: TOP SECRET STRAP 1 COMINT The maximum classification allowed on GCWiki is TOP SECRET STRAP1 COMINT. Click to report inappropriate cont...


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