diff --git a/linux/system/repo/duo.yml b/linux/system/repo/duo.yml
new file mode 100644
index 0000000..95db543
--- /dev/null
+++ b/linux/system/repo/duo.yml
@@ -0,0 +1,12 @@
+classes:
+- system.linux.system.repo.keystorage.duo
+parameters:
+  _param:
+    linux_system_repo_duo_url: http://pkg.duosecurity.com/Ubuntu
+  linux:
+    system:
+      repo:
+        duo:
+          key: ${_param:linux_system_repo_duo_key}
+          source: "deb [arch=amd64] ${_param:linux_system_repo_duo_url} ${_param:linux_system_codename} main"
+          architectures: amd64
diff --git a/linux/system/repo/keystorage/duo.yml b/linux/system/repo/keystorage/duo.yml
new file mode 100644
index 0000000..19caa67
--- /dev/null
+++ b/linux/system/repo/keystorage/duo.yml
@@ -0,0 +1,46 @@
+parameters:
+  _param:
+    # pub   1024D/15D32EFC 2013-09-05 [expires: 2020-08-22]
+    linux_system_repo_duo_key: |
+        -----BEGIN PGP PUBLIC KEY BLOCK-----
+        Version: GnuPG v2.0.22 (GNU/Linux)
+
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+        WbTIiN63dr6gdz7hoZJ7PFmJ
+        =t1j7
+        -----END PGP PUBLIC KEY BLOCK-----
+