FOURTH SECTION CASE OF WIEDER AND GUARNIERI v. THE UNITED KINGDOM (Applications nos. 64371/16 and 64407/16) JUDGMENT Art 1 • Jurisdiction of States • Alleged bulk interception of communications of applicants, living outside the respondent State, fell within respondent State’s territorial jurisdiction • Interference with privacy of communications occurs where they are intercepted, searched, examined and used and the resulting injury to privacy rights of sender and/or recipient also takes place there Art 8 • Private life • Finding of a violation based on reasons identified in Big Brother Watch and Others v. the United Kingdom [GC] • Fundamental deficiencies present in bulk interception regime, through absence of independent authorisation, failure to include categories of selectors in the application for a warrant, and failure to subject selectors linked to an individual to prior internal authorisation STRASBOURG 12 September 2023 This judgment will become final in the circumstances set out in Article 44 § 2 of the Convention. It may be subject to editorial revision.