FIRST is providing several different trainings with the goal to educate new CSIRTs and enhance the capabilities of current teams. All material is available under the Creative Commons BY-NC-SA 4.0 license. You can find the available trainings HERE.
ENISA CSIRT training material contains Handbooks for teachers, Toolsets for students and Virtual Images to support hands on training sessions. Training covers four areas: Technical, Operational, Setting up a CSIRT and Legal and Cooperation. ENISA training resources can be found HERE.