diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 369dd46cdc..c6db01ab9d 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -89,7 +89,7 @@ Instead you can use object orientation, or simply placing repeated code in a fun
 ### No magic numbers or strings
 This means stuff like having a "mode" variable for an object set to "1" or "2" with no clear indicator of what that means. Make these #defines with a name that more clearly states what it's for. This is clearer and enhances readability of your code! Get used to doing it!
 
-### Do not commit modifications to Version.cs
+### Do not commit modifications to the version numbers in AssemblyInfo.global.cs
 This file will be updated by maintainers when they deem it prudent to release a new version. For reference here is the version format we use 3.\<major\>.\<minor\>.\<patch\> The criteria for changing a version number is as follows
 	
 - Major: A breaking change to the DMAPI
diff --git a/AssemblyInfo.global.cs b/AssemblyInfo.global.cs
new file mode 100644
index 0000000000..6b2553d945
--- /dev/null
+++ b/AssemblyInfo.global.cs
@@ -0,0 +1,10 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+//You cannot one definition the version number
+//Believe me, I've tried, the compiler hates it so much
+[assembly: AssemblyVersion("3.2.0.0")]
+[assembly: AssemblyFileVersion("3.2.0.0")]
+[assembly: AssemblyInformationalVersion("3.2.0.0")]
+
+[assembly: InternalsVisibleTo("TGServiceTests")]
diff --git a/TGCommandLine/Properties/AssemblyInfo.cs b/TGCommandLine/Properties/AssemblyInfo.cs
index 27af13774e..7017cbba7f 100644
--- a/TGCommandLine/Properties/AssemblyInfo.cs
+++ b/TGCommandLine/Properties/AssemblyInfo.cs
@@ -15,6 +15,3 @@ using System.Runtime.InteropServices;
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("9ad1f086-a83e-4d14-a844-58a9471106b6")]
-
-//allow the unit tester to peek inside us
-[assembly: InternalsVisibleTo("TGServiceTests", AllInternalsVisible = true)]
diff --git a/TGCommandLine/TGCommandLine.csproj b/TGCommandLine/TGCommandLine.csproj
index 0c299ad037..b228dbaccc 100644
--- a/TGCommandLine/TGCommandLine.csproj
+++ b/TGCommandLine/TGCommandLine.csproj
@@ -40,6 +40,9 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
   <ItemGroup>
     <Compile Include="AdminCommands.cs" />
     <Compile Include="BYONDCommands.cs" />
@@ -53,7 +56,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="RepoCommands.cs" />
     <Compile Include="RootCommands.cs" />
-    <Compile Include="..\Version.cs" />
+    <Compile Include="..\AssemblyInfo.global.cs" />
     <Compile Include="ServiceCommands.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/TGControlPanel/TGControlPanel.csproj b/TGControlPanel/TGControlPanel.csproj
index d1b390395f..3a18cd4fed 100644
--- a/TGControlPanel/TGControlPanel.csproj
+++ b/TGControlPanel/TGControlPanel.csproj
@@ -39,6 +39,9 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Data" />
@@ -89,7 +92,7 @@
     <Compile Include="ControlPanel\ServerPage.cs">
       <SubType>Form</SubType>
     </Compile>
-    <Compile Include="..\Version.cs" />
+    <Compile Include="..\AssemblyInfo.global.cs" />
     <Compile Include="ControlPanel\StaticPage.cs">
       <SubType>Form</SubType>
     </Compile>
diff --git a/TGDreamDaemonBridge/TGDreamDaemonBridge.csproj b/TGDreamDaemonBridge/TGDreamDaemonBridge.csproj
index 99acc47c27..0cb0c67596 100644
--- a/TGDreamDaemonBridge/TGDreamDaemonBridge.csproj
+++ b/TGDreamDaemonBridge/TGDreamDaemonBridge.csproj
@@ -34,9 +34,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
   <ItemGroup>
     <Compile Include="DreamDaemonBridge.cs" />
-    <Compile Include="..\Version.cs" />
+    <Compile Include="..\AssemblyInfo.global.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/TGInstallerWrapper/TGInstallerWrapper.csproj b/TGInstallerWrapper/TGInstallerWrapper.csproj
index ffee3114b1..d84f79b22a 100644
--- a/TGInstallerWrapper/TGInstallerWrapper.csproj
+++ b/TGInstallerWrapper/TGInstallerWrapper.csproj
@@ -42,6 +42,9 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="Costura, Version=1.6.2.0, Culture=neutral, PublicKeyToken=9919ef960d84173d, processorArchitecture=MSIL">
       <HintPath>..\packages\Costura.Fody.1.6.2\lib\dotnet\Costura.dll</HintPath>
@@ -66,7 +69,7 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Resources.resx</DependentUpon>
     </Compile>
-    <Compile Include="..\Version.cs" />
+    <Compile Include="..\AssemblyInfo.global.cs" />
     <EmbeddedResource Include="Main.resx">
       <DependentUpon>Main.cs</DependentUpon>
     </EmbeddedResource>
diff --git a/TGServerService/Properties/AssemblyInfo.cs b/TGServerService/Properties/AssemblyInfo.cs
index 6df01aa814..e9ebd6fc8c 100644
--- a/TGServerService/Properties/AssemblyInfo.cs
+++ b/TGServerService/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
@@ -15,6 +14,3 @@ using System.Runtime.InteropServices;
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("f32eda25-0855-411c-af5e-f0d042917e2d")]
-
-//allow the unit tester to peek inside us
-[assembly: InternalsVisibleTo("TGServiceTests", AllInternalsVisible = true)]
diff --git a/TGServerService/TGServerService.csproj b/TGServerService/TGServerService.csproj
index 375c542010..8f4b5939f6 100644
--- a/TGServerService/TGServerService.csproj
+++ b/TGServerService/TGServerService.csproj
@@ -41,14 +41,17 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Discord.Net.Core, Version=1.0.2.0, Culture=neutral, processorArchitecture=MSIL">
+    <Reference Include="Discord.Net.Core, Version=1.0.2.0, Culture=neutral, PublicKeyToken=null, processorArchitecture=MSIL">
       <HintPath>..\packages\Discord.Net.Core.1.0.2\lib\net45\Discord.Net.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Discord.Net.Rest, Version=1.0.2.0, Culture=neutral, processorArchitecture=MSIL">
+    <Reference Include="Discord.Net.Rest, Version=1.0.2.0, Culture=neutral, PublicKeyToken=null, processorArchitecture=MSIL">
       <HintPath>..\packages\Discord.Net.Rest.1.0.2\lib\net45\Discord.Net.Rest.dll</HintPath>
     </Reference>
-    <Reference Include="Discord.Net.WebSocket, Version=1.0.2.0, Culture=neutral, processorArchitecture=MSIL">
+    <Reference Include="Discord.Net.WebSocket, Version=1.0.2.0, Culture=neutral, PublicKeyToken=null, processorArchitecture=MSIL">
       <HintPath>..\packages\Discord.Net.WebSocket.1.0.2\lib\net45\Discord.Net.WebSocket.dll</HintPath>
     </Reference>
     <Reference Include="LibGit2Sharp, Version=1.0.22.0, Culture=neutral, PublicKeyToken=7cbde695407f0333, processorArchitecture=MSIL">
@@ -125,7 +128,7 @@
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="..\Version.cs" />
+    <Compile Include="..\AssemblyInfo.global.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config">
diff --git a/TGServiceInstaller/TGServiceInstaller.wixproj b/TGServiceInstaller/TGServiceInstaller.wixproj
index dbe628e0fd..47751a1102 100644
--- a/TGServiceInstaller/TGServiceInstaller.wixproj
+++ b/TGServiceInstaller/TGServiceInstaller.wixproj
@@ -70,6 +70,12 @@
   <Target Name="EnsureWixToolsetInstalled" Condition=" '$(WixTargetsImported)' != 'true' ">
     <Error Text="The WiX Toolset v3 build tools must be installed to build this project. To download the WiX Toolset, see http://wixtoolset.org/releases/" />
   </Target>
+  <Target Name="AfterResolveReferences">
+    <Exec Command="powershell -Command $(SolutionDir)/Tools/SignBasics.ps1" />
+  </Target>
+  <PropertyGroup>
+    <PostBuildEvent>powershell -Command $(SolutionDir)/Tools/SignMSI.ps1</PostBuildEvent>
+  </PropertyGroup>
   <!--
 	To modify your build process, add your task inside one of the targets below and uncomment it.
 	Other similar extension points exist, see Wix.targets.
diff --git a/TGServiceInterface/TGServiceInterface.csproj b/TGServiceInterface/TGServiceInterface.csproj
index 5e9befc3be..2432434246 100644
--- a/TGServiceInterface/TGServiceInterface.csproj
+++ b/TGServiceInterface/TGServiceInterface.csproj
@@ -36,6 +36,9 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <RegisterForComInterop>false</RegisterForComInterop>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Runtime.Serialization" />
@@ -62,7 +65,7 @@
     <Compile Include="PullRequestInfo.cs" />
     <Compile Include="RootCommand.cs" />
     <Compile Include="Interface.cs" />
-    <Compile Include="..\Version.cs" />
+    <Compile Include="..\AssemblyInfo.global.cs" />
     <Compile Include="Components\Service.cs" />
     <Compile Include="Components\Interop.cs" />
   </ItemGroup>
diff --git a/TGServiceTests/Properties/AssemblyInfo.cs b/TGServiceTests/Properties/AssemblyInfo.cs
index 56c3be7ba4..4bde2505b7 100644
--- a/TGServiceTests/Properties/AssemblyInfo.cs
+++ b/TGServiceTests/Properties/AssemblyInfo.cs
@@ -7,4 +7,3 @@ using System.Runtime.InteropServices;
 [assembly: ComVisible(false)]
 
 [assembly: Guid("fb693ffb-17e3-4e84-8cbf-6ffa9c8fd971")]
-
diff --git a/TGServiceTests/TGServiceTests.csproj b/TGServiceTests/TGServiceTests.csproj
index e8ad0a9acc..eb363ef2f3 100644
--- a/TGServiceTests/TGServiceTests.csproj
+++ b/TGServiceTests/TGServiceTests.csproj
@@ -37,6 +37,9 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>false</SignAssembly>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
       <HintPath>..\packages\Castle.Core.4.2.1\lib\net45\Castle.Core.dll</HintPath>
@@ -70,6 +73,7 @@
     <Compile Include="Service\TestServerInstance.cs" />
     <Compile Include="Service\TestService.cs" />
     <Compile Include="TempDirectoryRequiredTest.cs" />
+    <Compile Include="..\AssemblyInfo.global.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
diff --git a/TGStationServer3.sln b/TGStationServer3.sln
index fd74f4e3f9..70af82ef64 100644
--- a/TGStationServer3.sln
+++ b/TGStationServer3.sln
@@ -19,9 +19,9 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		.gitignore = .gitignore
 		.travis.yml = .travis.yml
 		appveyor.yml = appveyor.yml
+		AssemblyInfo.global.cs = AssemblyInfo.global.cs
 		README.md = README.md
 		tgs.ico = tgs.ico
-		Version.cs = Version.cs
 	EndProjectSection
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TGInstallerWrapper", "TGInstallerWrapper\TGInstallerWrapper.csproj", "{8956D4C3-BFB9-448E-BF5F-EE7E6F9996F9}"
@@ -79,8 +79,11 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tools", "Tools", "{081BB0BB
 		Tools\DMAPITravisTester.dme = Tools\DMAPITravisTester.dme
 		Tools\Doxyfile = Tools\Doxyfile
 		Tools\install_byond.sh = Tools\install_byond.sh
+		Tools\SignBasics.ps1 = Tools\SignBasics.ps1
+		Tools\SignMSI.ps1 = Tools\SignMSI.ps1
 		Tools\Test.dm = Tools\Test.dm
 		Tools\TGS3Build.ps1 = Tools\TGS3Build.ps1
+		Tools\tgstation13.org.pfx = Tools\tgstation13.org.pfx
 		Tools\UploadCoverage.ps1 = Tools\UploadCoverage.ps1
 	EndProjectSection
 EndProject
@@ -115,10 +118,12 @@ Global
 		{AC4E7E8B-F83A-481C-A8B0-8FA4E8AE59AB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AC4E7E8B-F83A-481C-A8B0-8FA4E8AE59AB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AC4E7E8B-F83A-481C-A8B0-8FA4E8AE59AB}.Release|Any CPU.Build.0 = Release|Any CPU
-		{154435F6-0890-42D4-9AEC-B743D4FBC1CB}.Debug|Any CPU.ActiveCfg = Debug|x86
+		{154435F6-0890-42D4-9AEC-B743D4FBC1CB}.Debug|Any CPU.ActiveCfg = Release|x86
+		{154435F6-0890-42D4-9AEC-B743D4FBC1CB}.Debug|Any CPU.Build.0 = Release|x86
 		{154435F6-0890-42D4-9AEC-B743D4FBC1CB}.Release|Any CPU.ActiveCfg = Release|x86
 		{154435F6-0890-42D4-9AEC-B743D4FBC1CB}.Release|Any CPU.Build.0 = Release|x86
 		{8956D4C3-BFB9-448E-BF5F-EE7E6F9996F9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8956D4C3-BFB9-448E-BF5F-EE7E6F9996F9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8956D4C3-BFB9-448E-BF5F-EE7E6F9996F9}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8956D4C3-BFB9-448E-BF5F-EE7E6F9996F9}.Release|Any CPU.Build.0 = Release|Any CPU
 		{9A01EF03-8EAE-45CB-8B87-4A17BD904557}.Debug|Any CPU.ActiveCfg = Debug|x86
diff --git a/Tools/SignBasics.ps1 b/Tools/SignBasics.ps1
new file mode 100644
index 0000000000..a0941adb99
--- /dev/null
+++ b/Tools/SignBasics.ps1
@@ -0,0 +1,17 @@
+$bf = $Env:APPVEYOR_BUILD_FOLDER
+
+function CodeSign
+{
+	param($file)
+	&'C:\Program Files (x86)\Microsoft SDKs\ClickOnce\SignTool\signtool.exe' sign /f "$bf/Tools/tgstation13.org.pfx" /p "$env:snk_passphrase" /t http://timestamp.verisign.com/scripts/timstamp.dll "$file"
+}
+
+#Sign the output files
+if (Test-Path env:snk_passphrase)
+{
+	CodeSign "$bf/TGCommandLine/bin/Release/TGCommandLine.exe"
+	CodeSign "$bf/TGControlPanel/bin/Release/TGControlPanel.exe"
+	CodeSign "$bf/TGServerService/bin/Release/TGServerService.exe"
+	CodeSign "$bf/TGDreamDaemonBridge/bin/x86/Release/TGDreamDaemonBridge.dll"
+	CodeSign "$bf/TGServiceInterface/bin/Release/TGServiceInterface.dll"
+}
diff --git a/Tools/SignMSI.ps1 b/Tools/SignMSI.ps1
new file mode 100644
index 0000000000..50d76dbdbd
--- /dev/null
+++ b/Tools/SignMSI.ps1
@@ -0,0 +1,13 @@
+$bf = $Env:APPVEYOR_BUILD_FOLDER
+
+function CodeSign
+{
+	param($file)
+	&'C:\Program Files (x86)\Microsoft SDKs\ClickOnce\SignTool\signtool.exe' sign /f "$bf/Tools/tgstation13.org.pfx" /p "$env:snk_passphrase" /t http://timestamp.verisign.com/scripts/timstamp.dll "$file"
+}
+
+#Sign the output files
+if (Test-Path env:snk_passphrase)
+{
+	CodeSign "$bf/TGServiceInstaller/bin/Release/TGServiceInstaller.msi"
+}
diff --git a/Tools/TGS3Build.ps1 b/Tools/TGS3Build.ps1
index 544678d682..a26714d289 100644
--- a/Tools/TGS3Build.ps1
+++ b/Tools/TGS3Build.ps1
@@ -1,4 +1,20 @@
 $bf = $Env:APPVEYOR_BUILD_FOLDER
+
+
+function CodeSign
+{
+	param($file)
+	&'C:\Program Files (x86)\Microsoft SDKs\ClickOnce\SignTool\signtool.exe' sign /f "$bf/Tools/tgstation13.org.pfx" /p "$env:snk_passphrase" /t http://timestamp.verisign.com/scripts/timstamp.dll "$file"
+}
+
+#Sign the output files
+if (Test-Path env:snk_passphrase)
+{
+	CodeSign "$bf/TGServiceTests/bin/Release/TGServiceTests.dll"
+	CodeSign "$bf/TGInstallerWrapper/bin/Release/TG Station Server Installer.exe"
+	$env:snk_passphrase = ""
+}
+
 $src = "$bf\TGInstallerWrapper\bin\Release"
 $version = [System.Diagnostics.FileVersionInfo]::GetVersionInfo("$src\TG Station Server Installer.exe").FileVersion
 
@@ -33,6 +49,7 @@ if($publish_dox){
 	git add --all
 	git commit -m "Deploy code docs to GitHub Pages for Appveyor build $Env:APPVEYOR_BUILD_NUMBER" -m "Commit: $Env:APPVEYOR_REPO_COMMIT"
 	git push -f "https://$Env:repo_token@$github_url" 2>&1 | out-null
+	$Env:repo_token = ""
 	cd "$bf"
 }
 
diff --git a/Tools/tgstation13.org.pfx b/Tools/tgstation13.org.pfx
new file mode 100644
index 0000000000..79defe0df1
Binary files /dev/null and b/Tools/tgstation13.org.pfx differ
diff --git a/Version.cs b/Version.cs
deleted file mode 100644
index 7f9a690cb5..0000000000
--- a/Version.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using System.Reflection;
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-
-//It's impossible to make these a define, don't say I didn't warn you 
-[assembly: AssemblyVersion("3.2.0.0")]
-[assembly: AssemblyFileVersion("3.2.0.0")]
-[assembly: AssemblyInformationalVersion("3.2.0.0")]
diff --git a/appveyor.yml b/appveyor.yml
index 60ea867874..81f2bfc011 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,6 +3,8 @@ pull_requests:
 environment:
   repo_token:
     secure: lJNGAXwiB5HlWdthz3K4PetqpTG5IEAyRgKaiKxFMQ8HW8CcOjRtB97B05op7BsK
+  snk_passphrase:
+    secure: dsRGlNewYn/JoycPaMoxLCrb3wkL31RsdU7Xwbo7TIAmClwShCVWeRPN+eGA+fMZX12MDNRBs8Fws4IxqLKQ36thQo6p2B+kPksAUJiAOR5QKJoT6nt8JB1wBMFS2kH4
 skip_branch_with_pr: true
 image: Visual Studio 2017
 configuration: Release