GCHQ WIKI Leak Document PTC Glossary Version Download 8 File Size 88.49 KB File Count 1 Create Date 4 July 2021 Last Updated 16 July 2021 Download Description Which telecoms companies are working with GCHQ's "special source" team. BT ("Remedy") Verizon Business ("Dacron") Vodafone Cable ("Gerontic") Global Crossing ("Pinnage") Level 3 ("Little") Viatel ("Vitreous") Interoute ("Streetcar")