If you look at the site, they do not claim to have any documents of Top Secret or Sensitive Compartmented Information (TS/SCI) classification. Everything listed below as part of ‘Cablegate’ would have been on SIPRNET. TS/SCI material would have been on JWICS only. This reinforces my hunch that Manning did not, as Wired magazine claimed, have access to JWICS. (See my post here.)
The full set consists of 251,287 documents: 15,652 secret; 101,748 confidential; 133,887 unclassified.
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UNCLASSIFIED//FOR OFFICIAL USE ONLY