diff --git a/rules/detection-rules.json b/rules/detection-rules.json
index a8bdeac..13a4056 100644
--- a/rules/detection-rules.json
+++ b/rules/detection-rules.json
@@ -33,6 +33,7 @@
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*microsoftazuread-sso\\.com$",
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*azureedge\\.net$",
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*bing\\.com$",
+    "^https:\\/\\/([a-zA-Z0-9-]+\\.)*msn\\.com$",
     "^https:\\/\\/github\\.com$",
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*cloud\\.microsoft$",
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*powerbi\\.com$"