Case C-623/17: Judgment of the Court (Grand Chamber) of 6 October 2020 (request for a preliminary ruling from the Investigatory Powers Tribunal — London — United Kingdom) — Privacy International v Secretary of State for Foreign and Commonwealth Affairs, Secretary of State for the Home Department, Government Communications Headquarters, Security Service, Secret Intelligence Service (Reference for a preliminary ruling — Processing of personal data in the electronic communications sector — Providers of electronic communications services — General and indiscriminate transmission of traffic data and location data — Safeguarding of national security — Directive 2002/58/EC — Scope — Article 1(3) and Article 3 — Confidentiality of electronic communications — Protection — Article 5 and Article 15(1) — Charter of Fundamental Rights of the European Union — Articles 7, 8 and 11 and Article 52(1) — Article 4(2) TEU)