Open Access

Cornel Zwierlein

• “Security” is such a general concept that, on the one hand, it is omnipresent in all fields of historical research; on the other hand, a closer look reveals that there seems not to exist a real specialized sub-discipline or field that bears this title. While in political sciences, criminology, sociology and jurisprudence, and especially in the field of international relations, security studies is a well established and broad field of research, history has not yet established a corresponding field. This special issue about “Security and Epochal Frontiers” shows that important contemporaneous changes in concept and practices of “security production” after the end of the Cold War (the emergence of “extended, comprehensive, human security”, the fading away of the border between internal and external security) have caused our historical perception of “security” to change massively and historiography to respond to this challenge.