The security situation in Nigeria has become enormous and embarrassing to government. To tackle insecurity, it is imperative to investigate and identify its sources and causes. This paper isolated and clarified different causes and sources of insecurity in Nigeria. The paper equally suggested two strategic security management approaches that can accommodate both long term and immediate solutions to insecurity. These modelsthe two approach model and the composite approach model simultaneously

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... to remove the causes or sources of insecurity and involve all stakeholdersgovernment, communities, business organizations, civil society, religious organizations etc in the fight against insecurity.