The study investigated change and continuity in security management systems in Nigeria. The study examined the historical account of Nigeria’s security system management; the transformations that have taken place in Nigeria’s security system management before the nation’s political independence; and the transformations that have taken place in Nigeria’s security system management after the nation’s political independence. Historical research method was used in carrying out this study. A critical examination of the roles of stakeholders and shareholders were analyzed using findings from secondary sources such as books, journals, conference proceedings and internet sources which are to be explored to enrich this work. Furthermore, this research work depended largely on archival materials to gather relevant materials on the study. Data for this study were gathered from the secondary source. The secondary sources of data were collected from already written works, both published and unpublished that have relevance to the subject matter, these includes text books, magazines, newspapers and various journals. The study revealed that Nigeria’s internal security management posture has been predominantly reactive and ineffective. This is not unconnected with the weakness of intelligence gathering, a situation made worse by the absence of a credible and reliable national identification system and the limited application of high-tech gadgets in intelligence gathering. The study recommended that there is the need for the enthronement of good governance in Nigeria through the conduct of credible elections, energetic campaign against corruption and justifiable distribution of resources.

Keywords: Change, Continuity, Security Management Systems,

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