Twitter Data Case Sparks Dispute, Delay Among EU Privacy Regulators

European Union privacy regulators are clashing over how much--if anything--to fine Twitter Inc. for its handling of a data breach disclosed last year, delaying progress of the most advanced cross-border privacy case involving a U.S. tech company under the EU's strict new privacy law. The dispute, disclosed in a statement Thursday from Ireland's Data Protection Commission, is one of the first major tests for enforcement of the EU's privacy law, known as GDPR, which took effect in 2018. It raises the specter of disagreements and...