diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index c2da238..064f689 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -253,6 +253,10 @@
         layer.setSkip(true);
     }
 
+    if (isSecure() && !hw->isSecure()) {
+        layer.setSkip(true);
+    }
+
     /*
      * Transformations are applied in this order:
      * 1) buffer orientation/flip/mirror
@@ -342,7 +346,9 @@
         // is probably going to have something visibly wrong.
     }
 
-    if (!isProtected()) {
+    bool blackOutLayer = isProtected() || (isSecure() && !hw->isSecure());
+
+    if (!blackOutLayer) {
         // TODO: we could be more subtle with isFixedSize()
         const bool useFiltering = getFiltering() || needsFiltering(hw) || isFixedSize();