diff --git a/apps/web/src/components/iwooos/security-asset-control-plane-cockpit.tsx b/apps/web/src/components/iwooos/security-asset-control-plane-cockpit.tsx
index 1bd34df16..82b528967 100644
--- a/apps/web/src/components/iwooos/security-asset-control-plane-cockpit.tsx
+++ b/apps/web/src/components/iwooos/security-asset-control-plane-cockpit.tsx
@@ -5,6 +5,7 @@ import {
   Bot,
   Boxes,
   CheckCircle2,
+  Database,
   RefreshCw,
   Radar,
   ShieldAlert,
@@ -41,6 +42,7 @@ type Copy = {
   priority: string;
   audit: string;
   aiTrace: string;
+  sources: string;
   sameRunMissing: string;
   unavailable: string;
   refresh: string;
@@ -65,6 +67,7 @@ const COPY: Record<"zh" | "en", Copy> = {
     priority: "優先處理",
     audit: "稽核軌跡",
     aiTrace: "AI 軌跡",
+    sources: "資料源",
     sameRunMissing: "尚無同 run 閉環證據",
     unavailable: "Live readback 無法取得",
     refresh: "重新整理資安控制平面",
@@ -87,6 +90,7 @@ const COPY: Record<"zh" | "en", Copy> = {
     priority: "Priorities",
     audit: "Audit trail",
     aiTrace: "AI trace",
+    sources: "Sources",
     sameRunMissing: "No same-run closure evidence",
     unavailable: "Live readback unavailable",
     refresh: "Refresh security control plane",
@@ -388,7 +392,7 @@ export function SecurityAssetControlPlaneCockpit({
             <div className="grid gap-3 lg:grid-cols-[1fr_1.35fr]">
               <div className="border border-[#d8d3c7] bg-white p-3">
                 <div className="mb-2 text-[11px] font-semibold text-[#4f4d47]">{copy.audit}</div>
-                <div className="grid grid-cols-3 gap-2 text-center">
+                <div className="grid grid-cols-4 gap-2 text-center">
                   <div>
                     <div className="font-mono text-sm font-semibold text-[#141413]">
                       {payload.security_audit.automation_operation_count_24h}
@@ -407,7 +411,30 @@ export function SecurityAssetControlPlaneCockpit({
                     </div>
                     <div className="mt-1 text-[9px] text-[#77736a]">{copy.aiTrace}</div>
                   </div>
+                  <div>
+                    <div className="font-mono text-sm font-semibold text-[#141413]">
+                      {payload.summary.ready_source_count}/{payload.summary.source_count}
+                    </div>
+                    <div className="mt-1 text-[9px] text-[#77736a]">{copy.sources}</div>
+                  </div>
                 </div>
+                {payload.summary.unavailable_source_count > 0 ? (
+                  <div className="mt-3 flex flex-wrap gap-1 border-t border-[#ebe8df] pt-2">
+                    {payload.source_health
+                      .filter((source) => source.status !== "ready")
+                      .slice(0, 4)
+                      .map((source) => (
+                        <span
+                          key={source.source_id}
+                          className="inline-flex min-w-0 items-center gap-1 border border-[#e2a29b] bg-[#fff2f0] px-1.5 py-0.5 font-mono text-[9px] text-[#9f2f25]"
+                          title={source.reason_code ?? source.source_id}
+                        >
+                          <Database className="h-3 w-3 shrink-0" aria-hidden="true" />
+                          <span className="max-w-32 truncate">{source.source_id}</span>
+                        </span>
+                      ))}
+                  </div>
+                ) : null}
                 {!payload.ai_automation.same_run_closed_loop_proven ? (
                   <div className="mt-3 flex items-center gap-1.5 border-t border-[#ebe8df] pt-2 text-[10px] font-medium text-[#9f2f25]">
                     <TriangleAlert className="h-3.5 w-3.5 shrink-0" aria-hidden="true" />
diff --git a/apps/web/src/lib/__tests__/security-asset-control-plane.test.ts b/apps/web/src/lib/__tests__/security-asset-control-plane.test.ts
index 9f058c4ad..12782cf42 100644
--- a/apps/web/src/lib/__tests__/security-asset-control-plane.test.ts
+++ b/apps/web/src/lib/__tests__/security-asset-control-plane.test.ts
@@ -14,6 +14,9 @@ function payload(): SecurityAssetControlPlanePayload {
     status: "ready",
     source_status: "live_database_aggregate",
     summary: {
+      source_count: 9,
+      ready_source_count: 9,
+      unavailable_source_count: 0,
       managed_asset_count: 24,
       expected_asset_type_count: 28,
       present_asset_type_count: 20,
@@ -74,6 +77,9 @@ function payload(): SecurityAssetControlPlanePayload {
       accepted_ai_trace_count_24h: 2,
       immutable_external_audit_store_evidenced: false,
     },
+    source_health: [
+      { source_id: "asset_inventory", status: "ready", reason_code: null },
+    ],
     work_items: [
       {
         work_item_id: "AIA-P1-001-01",
diff --git a/apps/web/src/lib/security-asset-control-plane.ts b/apps/web/src/lib/security-asset-control-plane.ts
index 88eb2b0a2..4a13304a4 100644
--- a/apps/web/src/lib/security-asset-control-plane.ts
+++ b/apps/web/src/lib/security-asset-control-plane.ts
@@ -1,6 +1,9 @@
 export type SecurityControlStatus = "ready" | "degraded";
 
 export type SecurityControlPlaneSummary = {
+  source_count: number;
+  ready_source_count: number;
+  unavailable_source_count: number;
   managed_asset_count: number;
   expected_asset_type_count: number;
   present_asset_type_count: number;
@@ -119,6 +122,11 @@ export type SecurityAssetControlPlanePayload = {
     accepted_ai_trace_count_24h: number;
     immutable_external_audit_store_evidenced: boolean;
   };
+  source_health: Array<{
+    source_id: string;
+    status: "ready" | "unavailable";
+    reason_code: string | null;
+  }>;
   work_items: SecurityControlPlaneWorkItem[];
   boundaries: {
     aggregate_only: boolean;
@@ -154,6 +162,8 @@ export function isSecurityAssetControlPlanePayload(
   }
   return (
     typeof value.summary.managed_asset_count === "number" &&
+    typeof value.summary.source_count === "number" &&
+    Array.isArray(value.source_health) &&
     typeof value.summary.nist_controlled_percent === "number" &&
     value.boundaries.aggregate_only === true &&
     value.boundaries.raw_asset_identity_returned === false &&