Centre interdisciplinaire sur les enjeux stratégiques (CIENS)

The Interdisciplinary Center for Strategic Studies (ICSS or CIENS in French) is a research and teaching platform dedicated to nuclear defense and strategic issues in the broadest sense, with an interdisciplinary approach and as part of a partnership between ENS, ANSSI (Agence nationale de sécurité des systèmes d’information), the French Ministry of Defense and CEA (Commissariat à l’énergie atomique et aux énergies alternatives).

Upcoming events

19/03/2026

Study Day: The Role of Cyberspace in Contemporary Conflicts – What Role Does It Play in Escalation? How Does It Interact with Other Areas of Conflict?

Location : 45 rue d'Ulm

Read more

Sign up for the CIENS mailing list

Click on this link
We look forward to welcoming you as one of our subscribers!

News

The CIENS teaching programme for the second semester: timetables and rooms

The CIENS offers seven courses in the second semester: two research seminars, two cyber courses (introductory and advanced), a course on space, another on strategy and a course on strategic...

Read more

September highlights at CIENS

CIENS is back in session. Don’t miss the presentation of its courses on 3, 6 and 11 September at the ENS. All the information here: On Tuesday 3 September in...

Read more

A CIENS expert analyses the offensive on Kursk for the media 20 Minutes

Guillaume Lasconjarias, associate expert at CIENS, was interviewed by journalist Mickaël Bosredon about the Ukrainian offensive in the Kursk region of Russia. He analyses the objectives of this assault, the...
Read more

Yannick Pincé, CIENS associate researcher, on Médiapart

In the event of cohabitation with the RN, who would have control of the French army? Yannick Pincé answers questions from Justine Brabant and Fabien Escalona on Médiapart....
Read more

Maïlys Mangin, post-doc at CIENS, interviewed on the ENS-PSL website

Maïlys Mangin, a doctorate in political science, joined as a post-doc researcher the Centre interdisciplinaire sur les enjeux stratégiques (CIENS) in November 2023....
Read more

Yannick Pincé publishes an article in The Conversation

Yannick Pincé, a research associate at CIENS, has published an article for the Conversation on the consequences of enshrining nuclear weapons in the French Constitution....
Read more