IFIP Technical Committee 11 (TC-11) on Security and Privacy Protection in Information Processing Systems was created in 1983 under the chairship of the late Kristian Beckman of Sweden. Representatives from more than 30 IFIP member societies are members of TC-11 and meet at least once a year at the IFIP/Sec conferences that are held in different member countries.This text gives an overview on the state of TC-11 and its development over the last 28 years. It starts with a snapshot on the current situation of TC-11, followed in Section 2 by an overview of the historical background and trends of TC-11 and its flagship conference IFIP/Sec. Section 3 is dedicated to the main development trends in the field of TC-11, while Section 4 honours the awardees of TC-11’s Kristian Beckman Award, many of them TC-11 Pioneers. Section 5 then gives an outlook on the future role of TC-11.