diff --git a/Articles_essentiels.bib b/Articles_essentiels.bib
index 4fa4b09..454d89a 100644
--- a/Articles_essentiels.bib
+++ b/Articles_essentiels.bib
@@ -245,7 +245,20 @@
   note = {article qui pose les base du threat hunting}
 }
 
+@article{tor2017cumulative,
+  title={‘Cumulative deterrence’as a new paradigm for cyber deterrence},
+  author={Tor, Uri},
+  journal={Journal of Strategic Studies},
+  volume={40},
+  number={1-2},
+  pages={92--117},
+  year={2017},
+  url={https://www.tandfonline.com/doi/abs/10.1080/01402390.2015.1115975},
+  publisher={Taylor \& Francis}
+}
+
 @comment {U}
+
 @comment {V}
 
 @article{vosoughi_spread_2018,