diff --git a/OpenRA.FileFormats/OpenRA.FileFormats.csproj b/OpenRA.FileFormats/OpenRA.FileFormats.csproj
index 0f09e98ca2..3eee59f8e7 100644
--- a/OpenRA.FileFormats/OpenRA.FileFormats.csproj
+++ b/OpenRA.FileFormats/OpenRA.FileFormats.csproj
@@ -95,6 +95,7 @@
     <Compile Include="TileSet.cs" />
     <Compile Include="Tuple.cs" />
     <Compile Include="TypeDictionary.cs" />
+    <Compile Include="Verifier.cs" />
     <Compile Include="Walkability.cs" />
     <Compile Include="ActorReference.cs" />
     <Compile Include="TerrainColorSet.cs" />
diff --git a/OpenRA.FileFormats/Verifier.cs b/OpenRA.FileFormats/Verifier.cs
new file mode 100644
index 0000000000..532e4d95ed
--- /dev/null
+++ b/OpenRA.FileFormats/Verifier.cs
@@ -0,0 +1,30 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+namespace OpenRA.FileFormats
+{
+	public static class Verifier
+	{
+		public static bool IsSafe(string filename)
+		{
+			return false;	// todo
+		}
+	}
+}
diff --git a/OpenRA.Game/Game.cs b/OpenRA.Game/Game.cs
index 1a91310ffa..c62296c236 100644
--- a/OpenRA.Game/Game.cs
+++ b/OpenRA.Game/Game.cs
@@ -75,7 +75,11 @@ namespace OpenRA
 
 			// Mod assemblies assumed to contain a single namespace
 			foreach (var a in m.Assemblies)
-				asms.Add(Pair.New(Assembly.LoadFile(Path.GetFullPath(a)), Path.GetFileNameWithoutExtension(a)));
+				if (Verifier.IsSafe( Path.GetFullPath(a)))
+					asms.Add(Pair.New(
+						Assembly.LoadFile(Path.GetFullPath(a)), 
+						Path.GetFileNameWithoutExtension(a)));
+
 			ModAssemblies = asms.ToArray();
 		}