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Webinar on Nuclear Security Preliminary Arrangements and Pre-event Preventive Measures for Major Public Events

Webinar Series on Nuclear Security for Major Public Events

Date and time

Monday, 26 April 2021
13:30, Vienna (Austria) Time

Register here →


A major public event (MPE) is a planned national or international event, classified by the State as ‘major’, requiring implementation of a security plan. The organization of an MPE in which a large number of people congregate, such as a sporting contest or high-level political meeting (which could include high ranking State authorities), presents complex security challenges for the host State. MPEs draw public interest and receive media attention. This makes them attractive venues for demonstrations, protests, violence, or any other action that can be used to draw attention to a cause. One particular area of concern for States is the potential for organizations to use these events as stages for criminal acts and acts of terrorism, including those involving nuclear or other radioactive material.

IAEA Nuclear Security Series No. 18, Implementing Guide on Nuclear Security Systems and Measures for Major Public Events (NSS No. 18), published in 2012, provides an overview of, and guidance for, designing and implementing nuclear security systems and measures for MPEs.

This webinar is the first in a series of three webinars on the topic of major public events. The other webinars in the series are:

  • Webinar on Nuclear Security Detection Measures and Assessments of Alerts and/or Alarms at Major Public Events, 27 April 2021, 13:30
  • Webinar on Nuclear Security Response Measures and Emergency Response Arrangements for Major Public Events, 29 April 2021, 13:30


This webinar will provide an overview of the nuclear security preliminary arrangements and nuclear security pre-event preventive measures for MPEs in accordance with sections 2-3 of NSS No. 18 and practical experience in implementing these preliminary considerations.  

Target Audience

This webinar is aimed at those working at national policy, strategic and planning or decision-making level, senior level nuclear regulators, command level representatives of law enforcement agencies and/or military, and other organizations involved in the national nuclear security regime. It is open to officials and nuclear security professionals from the above-mentioned organizations in Member States.


Opening remarks

  •  Objectives of the webinar
    - Ms Elena Buglova, IAEA


  • Objectives and overview of the webinar
  •  Introduction of the subject matter experts
    - Mr Nigel Tottie, IAEA

Overview of nuclear security preliminary arrangements for major public events​​​
- Mr Raul Dos Santos, Head of Emergency Division, Institute of Radiation Protection and Dosimetry, Brazilian Nuclear Energy Commission, Brazil

Overview of pre-event preventive measures for major public events
- Prof Theodore Matikas, Senior Expert in Nuclear Security, Greek Atomic Energy Commission, Greece

Final Q&A and conclusion

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