In a dynamic environment where ICT risksany 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 constantly evolve, it is important that financial entitiesas defined in Article 2, points (a) to (t) develop their set of ICT security policies on the basis of leading practices, and where applicable, of standards as defined in Article 2, point (1), of Regulation (EU) No 1025/2012 of the European Parliament and of the Council (2)Regulation (EU) No 1025/2012 of the European Parliament and of the Council of 25 October 2012 on European standardisation, amending Council Directives 89/686/EEC and 93/15/EEC and Directives 94/9/EC, 94/25/EC, 95/16/EC, 97/23/EC, 98/34/EC, 2004/22/EC, 2007/23/EC, 2009/23/EC and 2009/105/EC of the European Parliament and of the Council and repealing Council Decision 87/95/EEC and Decision No 1673/2006/EC of the European Parliament and of the Council (OJ L 316, 14.11.2012, p. 12, ELI: http://data.europa.eu/eli/reg/2012/1025/oj)..This should enable financial entitiesas defined in Article 2, points (a) to (t) referred to in Title II of this Regulation to remain informed and prepared in a changing landscape.