A woman listens to a debate at Huawei Cyber Security Transparency Center in Brussels, Belgium, on Jan. 30, 2020. Huawei held the debate on 5G cyber security toolbox on Thursday, following the issuance of the EU 5G "toolbox". The European Commission on Wednesday issued the non-binding guidelines -- agreed by 28 member states -- known as a "toolbox" for 5G security, where the EU sets out detailed mitigation plans for each of the identified risks and recommends a set of key strategic and technical measures. (Xinhua/Zhang Cheng)