The following is a list of resources that might be helpful for CSIRT teams.
Trusted Introducer maintains a list of de-facto standards for CSIRTs, PSIRTs and other security teams. This includes:
- Information Sharing Traffic Light Protocol (TLP).
- Security Incident Management Maturity Model (SIM3).
- TI CSIRT Code of Practice (CCoP).
- eCSIRT.net Incident Taxonomy.
TF-CSIRT runs a number of working groups. Find out more here.