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Preston Study

Jun. 7 2016 — 8:19a.m.

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TOP SECRET STRAP 1 DGO and DOC Special TOP SECRET STRAP 1 This information is exempt from disclosure under the Freedom of Information Act 2000 and may be subject to exemption under other UK information legislation. Refer disclosure requests to GCHQ on

TOP SECRET STRAP 1 MIS Metrics Pack • Recent Event: London G20 Event • Study of Preston Collection and use over last 6 months • CPC, RPC, Metrics • INA Transformation TOP SECRET STRAP 1

TOP SECRET STRAP 1 Highlights • London G20 Event- In contrast to other recent events (e.g Mumbai) most of the useful collection on this event came from ‘traditional’ sources – mainly Preston • Preston Study- Nonetheless a very small proportion of Preston traffic is normally viewed. This may be of concern as this traffic is warranted. • CPC, RPC- traffic collection increasing steadily and all IPTs profiting • INA Transformation- INA collection,viewing and EPR increasing TOP SECRET STRAP 1

TOP SECRET STRAP 1 Preston study TOP SECRET STRAP 1 This information is exempt from disclosure under the Freedom of Information Act 2000 and may be subject to exemption under other UK information legislation. Refer disclosure requests to GCHQ on

TOP SECRET STRAP 1 PRESTON collection by month PRESTON collection over period 1st November 08 - 30th April 09 Not Viewed 1,500,000 Viewed Number of items collected End Product 1,000,000 500,000 0 2008-11 2008-12 2009-01 2009-02 2009-03 2009-04 Total Number of Items Month • • Whilst Preston collection made up the bulk of the reporting on G20, it is clear from the above figures that only a small proportion of the Preston Traffic is viewed. This is of concern as the collection is all warranted. However note caveat below: Viewing figures from some repositories including Xkeyscore/Salamanca and Haustorium are not included in these statistics as currently Artemis does not receive a feed from them. Full events feeds should be available by 2nd Q next year. TOP SECRET STRAP 1

TOP SECRET STRAP 1 PRESTON collection by sigad • • • Only 3% of PRESTON collection over the last 6 months was viewed.- As noted in previous slide,viewing figures from events repositories are not available Collection info is only available for ZAMENSIS, REMEDY, GERONTIC, CATSUP and CONDONE.The other sources relate to billing data and as noted Artemis does not yet have a feed from events data bases. It is interesting to note that some of these accesses (UKC123A-Laboro and UKC126-Larkspur) were lost between a year and 2 years ago but historical data in repositories is clearly still proving useful. TOP SECRET STRAP 1

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