diff --git a/Casks/vallum.rb b/Casks/vallum.rb
new file mode 100644
index 00000000000..87fa8125e00
--- /dev/null
+++ b/Casks/vallum.rb
@@ -0,0 +1,18 @@
+cask 'vallum' do
+  version '3.3.2'
+  sha256 'ed062cd0c8a268df37db6a71d7e8a15b12d3a3adff9af1ab52d6a4cb42300ce8'
+
+  # github.com/TheMurusTeam/Vallum/ was verified as official when first introduced to the cask
+  url "https://github.com/TheMurusTeam/Vallum/releases/download/v#{version}/vallum-#{version}.zip"
+  appcast 'https://github.com/TheMurusTeam/Vallum/releases.atom'
+  name 'Vallum'
+  homepage 'https://www.vallumfirewall.com/'
+
+  pkg 'Vallum.pkg'
+
+  uninstall pkgutil:   'it.murus.afw.Vallum',
+            launchctl: [
+                         'it.murus.afw.core',
+                         'it.murus.afw.helper',
+                       ]
+end