Regulatory technical standards should ensure the consistent harmonisation of the requirements laid down in this Regulation. In their roles as bodies endowed with highly specialised expertise, the ESAsEuropean Supervisory Authority should develop draft regulatory technical standards which do not involve policy choices, for submission to the Commission. Regulatory technical standards should be developed in the areas of ICT riskany reasonably identifiable circumstance in relation to the use of network and information systems which, if materialised, may compromise the security of the network and information systems, of any technology dependent tool or process, of operations and processes, or of the provision of services by producing adverse effects in the digital or physical environment management, major ICT-related incidentan ICT-related incident that has a high adverse impact on the network and information systems that support critical or important functions of the financial entity reporting, testing, as well as in relation to key requirements for a sound monitoring of ICT third-party riskan ICT risk that may arise for a financial entity in relation to its use of ICT services provided by ICT third-party service providers or by subcontractors of the latter, including through outsourcing arrangements. The Commission and the ESAsEuropean Supervisory Authority should ensure that those standards and requirements can be applied by all financial entitiesas defined in Article 2, points (a) to (t) in a manner that is proportionate to their size and overall risk profile, and the nature, scale and complexity of their services, activities and operations. The Commission should be empowered to adopt those regulatory technical standards by means of delegated acts pursuant to Article 290 TFEU and in accordance with Articles 10 to 14 of Regulations (EU) No 1093/2010, (EU) No 1094/2010 and (EU) No 1095/2010.