2026 NTI Nuclear Security Index
The 2026 NTI Nuclear Security Index proposes an agenda for a new era of leadership at a moment when the risk environment leaves no room for complacency.
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The NTI Nuclear Security Index
The NTI Index is recognized as the premier resource and tool for evaluating global nuclear and radiological security.
2023 NTI Nuclear Security Index
“The bottom line is that the countries and areas with the greatest responsibility for protecting the world from a catastrophic act of nuclear terrorism are derelict in their duty,” the 2023 NTI Index reports.
Tutorial on the U.S. Nuclear Budget
The U.S. nuclear budget comprises a variety of programs associated with nuclear weapons, nuclear nonproliferation, nuclear security, and legacy environmental and health costs.
Tutorial on Nuclear and Radiological Security
Nuclear and radiological security aims to ensure nuclear and other radioactive materials are secure from unauthorized access and theft, and that nuclear facilities are secure from sabotage.
The Global Nuclear Security Architecture: Closing Gaps to Build Greater Assurance, Accountability, and Action
Sam Nunn Discusses North Korea and Russia on Political Rewind
Sam Nunn joins Bill Nigut on Georgia Public Radio's Political Rewind to discuss North Korea and Russia.
Dealing with the Double-Edged Sword of Cesium Blood Irradiation
The authors recommend converting Cesium-137 blood irradiators to avoid terrorist misuse of cesium. (CNS)
Global Dialogue Discussion Paper: Strengthening the Convention on the Physical Protection of Nuclear Materials and Nuclear Facilities Regime
An excerpt from a discussion paper, entitled "Convention on the Physical Protection of Nuclear Materials and Nuclear Facilities Regime: A Path Forward."
2016 Nuclear Security Summit Progress Report
Despite progress at the Nuclear Security Summit, the threat of nuclear terrorism continues to evolve, and gaps remain in the global system for nuclear security.