The term collective security in a general sense is given many understandings both professional and nonprofessional. The phrase is sometimes used to describe the organization of security on a “collective” basis. Often, it is used to denote the “collective organization” of security. While neither of these uses is inherently wrong, neither succinctly captures what “collective security” implies when used by international lawyers. In international law, collective security is a term connoting something more dense and intricate, and much more slippery, than the above more straightforward expressions. The notion of collective security, its premise, and objectives are deeply contested by states and scholars. It is universally acknowledged that collective security is today organized under the United Nations; however, regional organizations, which used to focus primarily on economic matters, have attained greater prominence in collective security efforts especially since the end of the Cold War. This article examines the definition of collective security, its features and objectives, the actors that have the responsibility for operating it globally and regionally, its various manifestations, its limitations and, above all, its role in future.
The Department of State and the United nations
