On September 13, 2017, the European Commission and the High Representative of the Union for Foreign Affairs and Security Policy published a Joint Communication to the European Parliament and the Council of the European Union on “Resilience, Deterrence and Defence: Building strong cybersecurity for the EU” (“Joint Communication”). This Joint Communication is part of a package of EU documents adopted on the same date aimed at delivering a stronger EU response to cyber attacks. In particular, the Joint Communication puts forward targeted measures to (1) build greater EU resilience to cyber attacks, (2) better detect cyber attacks, and (3) strengthen international cooperation on cybersecurity.