http://dx.doi.org/10.59704/441ed897efb3bf32 https://verfassungsblog.de/data-retention/ Data Retention - Between Fundamental Rights and Integration Landerer, Lukas Martin eng 2024-11-27 electronic resource text/html ddc:342 CJEU Charta der Grundrechte | Europäische Union Datenschutz ECJ EU EU Charta EuGH European Union Europäischer Gerichtshof | Luxemburg (Stadt) Grundrechte data protection Charta der Grundrechte | Europäische Union Europäischer Gerichtshof | Luxemburg (Stadt) Verfassungsblog Verfassungsblog--2366-7044 CC BY-SA 4.0 The recent judgements of the CJEU on data retention should not be regarded as an authoritarian move towards a less fundamental rights-sensible position of the Court. Rather, the case law adapts the ever more complex development of the constitutional security law, which was originally dominated by the Member States. As a European court, the CJEU cannot simply ban certain police measures but must respect the complexity and heterogeneity of national law enforcement agencies.