diff --git a/Sandworm/README.MD b/Sandworm/README.MD
index c6649f7..792dad5 100644
--- a/Sandworm/README.MD
+++ b/Sandworm/README.MD
@@ -2,6 +2,10 @@ Documents linked to notorious Russian hacking group Sandworm
 
 https://www.theguardian.com/technology/2023/mar/30/vulkan-files-leak-reveals-putins-global-and-domestic-cyberwarfare-tactics
 
+Contracts Identify Cyber Operations Projects from Russian Company NTC Vulkan
+
+https://www.mandiant.com/resources/blog/cyber-operations-russian-vulkan
+
 https://www.trendmicro.com/en_us/research/22/c/cyclops-blink-sets-sights-on-asus-routers--.html
 
 https://www.cisa.gov/uscert/ncas/alerts/aa22-054a