diff --git a/README.md b/README.md
index 9421b7e36f28c2a111fe6a2c27796661f83b87df..2bfc4d1c26e1a8022018f56aca303c178e44de29 100644
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+++ b/README.md
@@ -1,3 +1,5 @@
+## Approved for use behind CNAP/VPN/private network only.
+
 # Apache Spark
 
 ## Stop