diff --git a/data/category-ads-and-telemetry b/data/category-ads-and-telemetry
new file mode 100644
index 00000000..2ce37d25
--- /dev/null
+++ b/data/category-ads-and-telemetry
@@ -0,0 +1,3 @@
+# This file contains domains of both category-ads and category-telemetry.
+include:category-ads
+include:category-telemetry
diff --git a/data/category-telemetry b/data/category-telemetry
new file mode 100644
index 00000000..b80f7479
--- /dev/null
+++ b/data/category-telemetry
@@ -0,0 +1,4 @@
+# This file contains domains for software telemetry, error reporting and diagnostics.
+include:github @telemetry
+include:github-copilot @telemetry
+include:mozilla @telemetry