Another source of security publications are reports and papers from government agencies and think tanks. These fall into a category called "grey literature" which is different than academic publishing but usually follow high quality editing before being released. The search tools below cover these.
JSTOR Security Studies offers journals, ebooks, and approximately 20,000 Open Access research reports. This content looks at security studies through a broad lens, encompassing research on international security and peace and conflict studies from all corners of the globe.