EGI CSIRT presented the EGI Security Service Challenge SSC-19.03, final report at the GDB meeting in CERN on 10th of July 2019. The Security Challenge ran in March and showed that the overall security of the EGI infrastructure is good, but the Incident Response procedures and the collaboration between the security teams could be improved. The details can be found in the SSC Final Report – GDB July 2019.