This tool helps CSIRTs to self-assess their team’s maturity in terms of 45 parameters of the SIM3 v2i model. For several parameters, ENISA CSIRT maturity framework requires higher assessment level then it is required under the ENISA CSIRT maturity framework based on SIM3 v1. This is due to a constant maturity improvement of CSIRTs and also due to upcoming NIS2 Directive requirements that have been recently identified for EU MS designated CSIRTs.