Here is an overview of the different EU laws that represent the different rules on hate speech, making it illegal, and particularly on what cyber hate consists of:

• Council of Europe – Additional Protocol to the Convention on Cybercrime
  Concerning the criminalisation of acts of a racist and xenophobic nature committed through computer systems

• Council of Europe – Explanatory Report to the Additional Protocol to the Convention on cybercrime
  Concerning the criminalisation of acts of a racist and xenophobic nature committed through computer systems

• EC/Industry Code of Conduct
  On Countering Illegal Hate Speech Online

• Commission Recommendation of 1.3.2018
  On measures to effectively tackle illegal content online

• Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the regions
  Tackling Illegal Content Online – Towards an enhanced responsibility of online platforms

• European Convention on Human Rights, Article 10 (limitation of free speech)