Guideline 4: Information exchange between ESAs and competent authorities in the context of their respective cooperation with competent authorities designated or established in accordance with NIS 2 (NIS 2 authorities)

4.1 Where possible, competent authorities and the Lead Overseer should share with each other, relevant information stemming from their dialogue with NIS 2 authorities responsible for the supervision of essential or important entities subject to that Directive, which have been designated as a critical ICT third-party service provider [Article 48(2): Competent authorities and the Lead Overseer shall, in a timely manner, mutually exchange all relevant information concerning critical ICT third-party service providers which is necessary for them to carry out their respective duties under this Regulation, in particular in relation to identified risks, approaches and measures taken as part of the Lead Overseer's oversight tasks.].