diff --git a/backend/routes/ivantiFindings.js b/backend/routes/ivantiFindings.js
index 791b93f..8788c3a 100644
--- a/backend/routes/ivantiFindings.js
+++ b/backend/routes/ivantiFindings.js
@@ -734,7 +734,9 @@ async function runBUDriftChecker(newlyArchivedIds, apiKey, clientId, skipTls) {
                     const bu = f.assetCustomAttributes?.['1550_host_1']?.[0] || 'UNKNOWN';
                     const severity = typeof f.severity === 'number' ? f.severity : parseFloat(f.severity) || 0;
                     const state = f.status || f.generic_state || '';
-                    foundMap.set(String(f.id), { bu, severity, state });
+                    const title = f.title || '';
+                    const hostName = f.host?.hostName || f.hostName || '';
+                    foundMap.set(String(f.id), { bu, severity, state, title, hostName });
                 }
 
                 page++;
@@ -791,6 +793,25 @@ async function runBUDriftChecker(newlyArchivedIds, apiKey, clientId, skipTls) {
         } catch (err) {
             console.error(`[BU Drift Checker] Error updating transition reason for finding ${id}:`, err.message);
         }
+
+        // Record BU reassignment in ivanti_finding_bu_history for detail view
+        if (classification === 'bu_reassignment' && found) {
+            try {
+                // Determine previous BU — look up from the cached finding record
+                const { rows: prevRows } = await pool.query(
+                    `SELECT bu_ownership FROM ivanti_findings WHERE id = $1`,
+                    [id]
+                );
+                const previousBu = prevRows[0]?.bu_ownership || 'UNKNOWN';
+                await pool.query(
+                    `INSERT INTO ivanti_finding_bu_history (finding_id, finding_title, host_name, previous_bu, new_bu, detected_at)
+                     VALUES ($1, $2, $3, $4, $5, NOW())`,
+                    [id, found.title || '', found.hostName || '', previousBu, found.bu]
+                );
+            } catch (err) {
+                console.error(`[BU Drift Checker] Error recording BU change for finding ${id}:`, err.message);
+            }
+        }
     }
 
     console.log(`[BU Drift Checker] Classification complete:`, summary);
diff --git a/frontend/src/components/pages/AnomalyBanner.js b/frontend/src/components/pages/AnomalyBanner.js
index 3b3a181..d2a118d 100644
--- a/frontend/src/components/pages/AnomalyBanner.js
+++ b/frontend/src/components/pages/AnomalyBanner.js
@@ -247,11 +247,18 @@ export default function AnomalyBanner() {
         setBuLoading(true);
         setBuExpanded(true);
         try {
-            // Scope to changes detected since this anomaly's sync
+            // Scope to changes detected around this anomaly's sync.
+            // The drift checker writes BU history records slightly before the anomaly
+            // summary is recorded, so use a 10-minute window before sync_timestamp.
             const since = anomaly?.sync_timestamp || '';
-            const url = since
-                ? `${API_BASE}/ivanti/findings/bu-changes?since=${encodeURIComponent(since)}`
-                : `${API_BASE}/ivanti/findings/bu-changes?limit=50`;
+            let url;
+            if (since) {
+                const sinceDate = new Date(since);
+                sinceDate.setMinutes(sinceDate.getMinutes() - 10);
+                url = `${API_BASE}/ivanti/findings/bu-changes?since=${encodeURIComponent(sinceDate.toISOString())}`;
+            } else {
+                url = `${API_BASE}/ivanti/findings/bu-changes?limit=50`;
+            }
             const res = await fetch(url, { credentials: 'include' });
             if (res.ok) {
                 const data = await res.json();