The FP7 project MASSIF (MAnagement of Security information and events in Service Infrastructures), led by Atos Spain S.A, is organizing its first workshop within the Cyber Security & Privacy EU Forum” (CSP EU Forum), which will take place on April 24th-25th 2012 at the The Dahlem Cube part of the Seminaris Campus Hotel, in Dahlem Dorf, Berlin. The workshop, organized in cooperation with the FP7 project VIKING (Vital Infrastructure, Networks, Information and Control Systems Management), aims at bringing together Security Information and Event Management (SIEM) experts to discuss challenges and unsolved industry and research issues, with an especial focus on the field of critical infrastructures. Looking forward to meeting you in Berlin!