This study, commissioned by the European Parliament’s Policy Department for Citizens’ Rights and Constitutional Affairs at the request of the FEMM Committee, looks into the phenomenon of cyber violence and hate speech online against women in the European Union. After reviewing existing definitions of the different forms of cyber violence, the study assesses the root causes and impact of online violence on women. It continues by analysing and mapping the prevalence, victims and perpetrators. The document ends with an outline of the existing legal framework and recommendations for action within the EU remit