TRANSITS provides affordable, high-quality training to both new and experienced Computer Security and Incident Response Team (CSIRT) personnel, as well as individuals with a bona-fide interest in establishing a CSIRT
Trusted Introducer
Trusted Introducer forms the trusted backbone of infrastructure services and serves as clearinghouse for all security and incident response teams
TF-CSIRT is a task force that promotes collaboration and coordination between CSIRTs in Europe and neigbouring regions, whilst liaising with relevant organisations at the global level and in other regions.
TF-CSIRT, Trusted Introducer and TRANSITS are all coordinated by  the Open CSIRT Foundation