From 7425a4f053a4b07c6dad5290c9c5d06320698660 Mon Sep 17 00:00:00 2001
From: asm-admin <1+asm-admin@noreply.git.asm.me.uk>
Date: Wed, 21 Oct 2026 06:10:13 +0000
Subject: [PATCH] Seed synthetic ASM demonstration data

---
 runbooks/asset-change.md | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 runbooks/asset-change.md

diff --git a/runbooks/asset-change.md b/runbooks/asset-change.md
new file mode 100644
index 0000000..180fedc
--- /dev/null
+++ b/runbooks/asset-change.md
@@ -0,0 +1,6 @@
+# Asset change exercise
+
+1. Record the baseline DNS, certificates, services and fingerprints.
+2. Introduce one approved domain or service change.
+3. Compare ASM discovery time and evidence with the change timestamp.
+4. Restore the baseline and confirm asset retirement.