The 17th meeting of the SG of Priority Area 11 “Security” was held on 5th and 6th of December 2019 in Zagreb, Croatia. It was kindly hosted by the Croatian Ministry of Interior and partially co-financed under the Danube Strategy Program, DTP-PAC1-PA 11 “Security”. The meeting was chaired by PAC from Bavaria. It was attended by 12 out of the 14 EUSDR Member States; the Danube Strategy Point, the SELEC Director and the PAC from PA 1a Waterland Mobility. During the meeting a review was made on the thematic events and initiatives held during the last six months; the current state of play regarding the new EUSDR Action Plan was presented. In addition, the development of the horizontal cooperation with PA 1a was detailed and the Danube Strategy Point presented a report on the most important aspects of its activities during 2019.