diff --git a/src/App.tsx b/src/App.tsx
index 26ab270..9a5d69b 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -273,7 +273,7 @@ export default function App() {
       return 'Payment schedule, proofs, and audit notes for this onboarding application.';
     }
     if (pathname === '/finance-onboarding') {
-      return 'Validate security deposits, first fills, and related onboarding payments.';
+      return 'Validate Security Deposit, first fills, and related onboarding payments.';
     }
     if (pathname.startsWith('/finance-audit/')) {
       return 'Finance audit trail and checklist for this application.';
diff --git a/src/features/dashboard/pages/FinanceDashboard.tsx b/src/features/dashboard/pages/FinanceDashboard.tsx
index 7cfac2b..a0decb3 100644
--- a/src/features/dashboard/pages/FinanceDashboard.tsx
+++ b/src/features/dashboard/pages/FinanceDashboard.tsx
@@ -52,14 +52,14 @@ export function FinanceDashboard({ onNavigate, onViewPaymentDetails, onViewAudit
       const apps = response.data || [];
 
       // Derive Onboarding Payments from Application + SecurityDeposit (Standardized nomenclature)
-      // This ensures applications in "Payment Pending" / "Security Details" are visible
+      // This ensures applications in "Payment Pending" / "Security Deposit" are visible
       // even if no payment record has been manually initialized.
       const consolidatedPayments: any[] = [];
       
       apps.forEach((app: any) => {
         const s = app.overallStatus || app.status;
         const isPaymentStage = [
-          'Payment Pending', 'Security Details', 'LOI In Progress', 'LOI Issued', 
+          'Payment Pending', 'Security Deposit', 'Security Details', 'LOI In Progress', 'LOI Issued', 
           'LOA Pending', 'Dealer Code Generation', 'LOA_APPROVAL'
         ].includes(s);
         const deposits = app.securityDeposits || [];
@@ -80,7 +80,7 @@ export function FinanceDashboard({ onNavigate, onViewPaymentDetails, onViewAudit
             });
           });
         } else if (isPaymentStage) {
-          if (['Payment Pending', 'Security Details', 'LOI In Progress'].includes(s)) {
+          if (['Payment Pending', 'Security Deposit', 'Security Details', 'LOI In Progress'].includes(s)) {
             // Virtual pending record for Security Deposit (5L)
             consolidatedPayments.push({
               id: `virtual-${app.id}-sd`,
diff --git a/src/features/master/components/SecurityDepositMaster.tsx b/src/features/master/components/SecurityDepositMaster.tsx
index 1286254..d5d6bb8 100644
--- a/src/features/master/components/SecurityDepositMaster.tsx
+++ b/src/features/master/components/SecurityDepositMaster.tsx
@@ -73,7 +73,7 @@ export const SecurityDepositMaster: React.FC = () => {
                   Global Payment Settings
                 </CardTitle>
                 <CardDescription className="text-xs">
-                  Configure base security deposit amounts for onboarding workflows.
+                  Configure base Security Deposit amounts for onboarding workflows.
                 </CardDescription>
              </div>
           </div>
diff --git a/src/features/onboarding/components/application-details/ApplicationDetailsSidebar.tsx b/src/features/onboarding/components/application-details/ApplicationDetailsSidebar.tsx
index c6d2822..8a2d15b 100644
--- a/src/features/onboarding/components/application-details/ApplicationDetailsSidebar.tsx
+++ b/src/features/onboarding/components/application-details/ApplicationDetailsSidebar.tsx
@@ -177,7 +177,7 @@ export function ApplicationDetailsSidebar(props: ApplicationDetailsSidebarProps)
                 <AlertTitle className="text-amber-900 font-semibold">LOA approval locked</AlertTitle>
                 <AlertDescription className="text-amber-800">
                   <span className="font-medium">First Fill</span> (later-stage payment) must be verified by Finance
-                  before LOA approval can proceed. This is separate from the initial security deposit before LOI Issued.
+                  before LOA approval can proceed. This is separate from the initial Security Deposit before LOI Issued.
                 </AlertDescription>
               </Alert>
             )}
@@ -194,7 +194,7 @@ export function ApplicationDetailsSidebar(props: ApplicationDetailsSidebarProps)
                     Finance has verified the <span className="font-medium">First Fill</span> payment. The application
                     status was <span className="font-medium">not</span> changed until you reach{' '}
                     <span className="font-medium">LOA Pending</span>. When you get there, LOA approval will not be
-                    blocked by payment (same pattern as recording the initial security deposit before the LOI
+                    blocked by payment (same pattern as recording the initial Security Deposit before the LOI
                     security step).
                   </AlertDescription>
                 </Alert>
@@ -203,7 +203,7 @@ export function ApplicationDetailsSidebar(props: ApplicationDetailsSidebarProps)
             {permissions.isSecurityDetailsLocked && (
               <Alert variant="destructive" className="mb-4 bg-amber-50 border-amber-200 text-amber-800" data-testid="onboarding-details-security-locked-alert">
                 <Lock className="w-4 h-4 text-amber-600" />
-                <AlertTitle className="text-amber-900 font-semibold">Security Details approval locked</AlertTitle>
+                <AlertTitle className="text-amber-900 font-semibold">Security Deposit approval locked</AlertTitle>
                 <AlertDescription className="text-amber-800">
                   Finance must verify the <span className="font-medium">Security Deposit</span> before this stage can be approved.
                   You can still use <span className="font-medium">Reject</span> if needed.
@@ -211,12 +211,12 @@ export function ApplicationDetailsSidebar(props: ApplicationDetailsSidebarProps)
               </Alert>
             )}
 
-            {['Security Details', 'Payment Pending'].includes(application.status) && (
+            {['Security Deposit', 'Security Details', 'Payment Pending'].includes(application.status) && (
               <Alert className="mb-4 border-sky-200 bg-sky-50/90 text-sky-900" data-testid="onboarding-details-security-review-alert">
                 <Info className="h-4 w-4 text-sky-700" />
-                <AlertTitle className="text-sky-950 font-semibold">Security Details review</AlertTitle>
+                <AlertTitle className="text-sky-950 font-semibold">Security Deposit review</AlertTitle>
                 <AlertDescription className="text-sm text-sky-900/90 leading-relaxed">
-                  Check the initial security deposit on the <span className="font-medium">Payments</span> tab (Finance
+                  Check the initial Security Deposit on the <span className="font-medium">Payments</span> tab (Finance
                   may have already marked it verified). When satisfied, use <span className="font-medium">Approve</span>{' '}
                   to move to <span className="font-medium">LOI Issued</span>.
                 </AlertDescription>
diff --git a/src/features/onboarding/hooks/useApplicationDetailsAdminActions.ts b/src/features/onboarding/hooks/useApplicationDetailsAdminActions.ts
index 49f3f49..889d005 100644
--- a/src/features/onboarding/hooks/useApplicationDetailsAdminActions.ts
+++ b/src/features/onboarding/hooks/useApplicationDetailsAdminActions.ts
@@ -415,7 +415,8 @@ export function useApplicationDetailsAdminActions(params: UseApplicationDetailsA
         case 'Level 3 Interview Pending': newStatus = 'Level 3 Approved'; break;
         case 'Level 3 Approved': newStatus = 'FDD Verification'; break;
         case 'FDD Verification': newStatus = 'LOI In Progress'; break;
-        case 'LOI In Progress': newStatus = 'Security Details'; break;
+        case 'LOI In Progress': newStatus = 'Security Deposit'; break;
+        case 'Security Deposit':
         case 'Security Details':
         case 'Payment Pending': newStatus = 'LOI Issued'; break;
         case 'LOI Issued': newStatus = 'Dealer Code Generation'; break;
diff --git a/src/features/onboarding/hooks/useApplicationDetailsData.ts b/src/features/onboarding/hooks/useApplicationDetailsData.ts
index 8c88e4e..90c176a 100644
--- a/src/features/onboarding/hooks/useApplicationDetailsData.ts
+++ b/src/features/onboarding/hooks/useApplicationDetailsData.ts
@@ -84,7 +84,9 @@ export function useApplicationDetailsData({ applicationId }: UseApplicationDetai
         level3InterviewDate: getStageDate('3rd Level Interview', 'Level 3 Approved'),
         fddDate: getStageDate('FDD', 'FDD Verification'),
         loiApprovalDate: getStageDate('LOI Approval', 'LOI In Progress'),
-        securityDetailsDate: getStageDate('Security Details', 'Security Details'),
+        securityDetailsDate:
+          getStageDate('Security Deposit', 'Security Deposit') ||
+          getStageDate('Security Details', 'Security Details'),
         loiIssueDate: getStageDate('LOI Issue', 'LOI Issued'),
         dealerCodeDate: getStageDate('Dealer Code Generation', 'Dealer Code Generation'),
         architectureAssignedDate: getStageDate('Architecture Team Assigned', 'Architecture Team Assigned'),
diff --git a/src/features/onboarding/hooks/useApplicationDetailsPermissions.ts b/src/features/onboarding/hooks/useApplicationDetailsPermissions.ts
index bc6ebce..3e9e2f0 100644
--- a/src/features/onboarding/hooks/useApplicationDetailsPermissions.ts
+++ b/src/features/onboarding/hooks/useApplicationDetailsPermissions.ts
@@ -188,7 +188,7 @@ export function useApplicationDetailsPermissions({
     const isAdminRole = ['DD Admin', 'Super Admin', 'NBH', 'DD Lead', 'DD Head', 'Finance', 'Finance Admin', 'FDD', 'ZBH', 'RBM'].includes(currentUser.role);
     const isAdministrativeStage = [
       'Level 3 Approved', 'FDD Verification',
-      'LOI In Progress', 'Security Details', 'Payment Pending', 'LOI Issued', 'Statutory LOI Ack',
+      'LOI In Progress', 'Security Deposit', 'Security Details', 'Payment Pending', 'LOI Issued', 'Statutory LOI Ack',
       'Architecture Team Assigned', 'Architecture Document Upload', 'Architecture Team Completion',
       'Statutory GST', 'Statutory PAN', 'Statutory Nodal', 'Statutory Check',
       'Statutory Partnership', 'Statutory Firm Reg', 'Statutory Rental',
@@ -198,7 +198,7 @@ export function useApplicationDetailsPermissions({
 
     const isLoaLocked = application.status === 'LOA Pending' && getDeposit('FIRST_FILL')?.status !== 'Verified';
     const isSecurityDetailsLocked =
-      ['Security Details', 'Payment Pending'].includes(application.status) &&
+      ['Security Deposit', 'Security Details', 'Payment Pending'].includes(application.status) &&
       getDeposit('SECURITY_DEPOSIT')?.status !== 'Verified';
     const isFinalState = application.status === 'Onboarded' || application.status === 'Rejected';
 
diff --git a/src/features/onboarding/hooks/useApplicationDetailsStageData.ts b/src/features/onboarding/hooks/useApplicationDetailsStageData.ts
index df279ec..cbfdaaa 100644
--- a/src/features/onboarding/hooks/useApplicationDetailsStageData.ts
+++ b/src/features/onboarding/hooks/useApplicationDetailsStageData.ts
@@ -40,6 +40,14 @@ export function useApplicationDetailsStageData({
     return (documents || []).some((d) => d.documentType === docType);
   };
 
+  const getSecurityDepositStageStatus = (): ProcessStage['status'] => {
+    const rows = application.progressTracking || [];
+    const row =
+      rows.find((ps: any) => ps.stageName === 'Security Deposit') ||
+      rows.find((ps: any) => ps.stageName === 'Security Details');
+    return row?.status ? (row.status as ProcessStage['status']) : 'pending';
+  };
+
   const getStageStatus = (stageName: string, fallbackStatus: ProcessStage['status'] = 'pending'): ProcessStage['status'] => {
     const backendStage = (application.progressTracking || []).find((ps: any) => ps.stageName === stageName);
     return backendStage?.status ? (backendStage.status as any) : fallbackStatus;
@@ -113,8 +121,8 @@ export function useApplicationDetailsStageData({
       documentsUploaded: 1
     },
     {
-      id: 9, name: 'Security Details', status: getStageStatus('Security Details'),
-      date: application.securityDetailsDate, description: 'Security verification', documentsUploaded: 3
+      id: 9, name: 'Security Deposit', status: getSecurityDepositStageStatus(),
+      date: application.securityDetailsDate, description: 'Security Deposit verification', documentsUploaded: 3
     },
     {
       id: 10, name: 'LOI Issue', status: getStageStatus('LOI Issue'),
diff --git a/src/features/onboarding/pages/AllApplicationsPage.tsx b/src/features/onboarding/pages/AllApplicationsPage.tsx
index b9c86b0..ec9dc65 100644
--- a/src/features/onboarding/pages/AllApplicationsPage.tsx
+++ b/src/features/onboarding/pages/AllApplicationsPage.tsx
@@ -242,6 +242,10 @@ export function AllApplicationsPage({ onViewDetails, initialFilter = 'all' }: Al
       'Disqualified': 'bg-gray-100 text-gray-800',
       'Onboarded': 'bg-emerald-100 text-emerald-800',
       'LOI Approved': 'bg-sky-100 text-sky-800',
+      'Security Deposit In Progress': 'bg-amber-100 text-amber-800',
+      'Security Deposit Approved': 'bg-green-100 text-green-800',
+      'Security Deposit': 'bg-amber-100 text-amber-800',
+      /** Legacy overallStatus until DB migrated */
       'Security Details In Progress': 'bg-amber-100 text-amber-800',
       'Security Details Approved': 'bg-green-100 text-green-800',
       'Security Details': 'bg-amber-100 text-amber-800',
diff --git a/src/features/onboarding/pages/ApplicationsPage.tsx b/src/features/onboarding/pages/ApplicationsPage.tsx
index 319592e..966fbed 100644
--- a/src/features/onboarding/pages/ApplicationsPage.tsx
+++ b/src/features/onboarding/pages/ApplicationsPage.tsx
@@ -273,14 +273,6 @@ export function ApplicationsPage({ onViewDetails, initialFilter }: ApplicationsP
             <Label htmlFor="my-assignments" data-testid="onboarding-applications-assignments-label">My Assignments Only</Label>
           </div>
 
-          <Select value={sortBy} onValueChange={(v) => setSortBy(v as any)}>
-            <SelectTrigger className="w-full lg:w-40" data-testid="onboarding-applications-sort-select">
-              <SelectValue placeholder="Sort By" />
-            </SelectTrigger>
-            <SelectContent>
-              <SelectItem value="date">Date</SelectItem>
-            </SelectContent>
-          </Select>
         </div>
 
         <div className="flex flex-wrap items-center gap-3 mt-4">
diff --git a/src/features/onboarding/pages/FinanceOnboardingPage.tsx b/src/features/onboarding/pages/FinanceOnboardingPage.tsx
index 61203d1..cc49f81 100644
--- a/src/features/onboarding/pages/FinanceOnboardingPage.tsx
+++ b/src/features/onboarding/pages/FinanceOnboardingPage.tsx
@@ -55,7 +55,7 @@ export function FinanceOnboardingPage({ onViewPaymentDetails }: FinanceOnboardin
   const paymentRows = applications.flatMap((app: any) => {
     const s = app.overallStatus || app.status;
     const isPaymentStage = [
-      'Payment Pending', 'Security Details', 'LOI In Progress', 'LOI Issued',
+      'Payment Pending', 'Security Deposit', 'Security Details', 'LOI In Progress', 'LOI Issued',
       'LOA Pending', 'Dealer Code Generation', 'LOA_APPROVAL'
     ].includes(s);
     const deposits = app.securityDeposits || [];
@@ -77,7 +77,7 @@ export function FinanceOnboardingPage({ onViewPaymentDetails }: FinanceOnboardin
 
     // Keep virtual pending rows for in-flight cases with no deposit record yet
     if (isPaymentStage) {
-      if (['Payment Pending', 'Security Details', 'LOI In Progress'].includes(s)) {
+      if (['Payment Pending', 'Security Deposit', 'Security Details', 'LOI In Progress'].includes(s)) {
         return [{
           id: `virtual-${app.id}-sd`,
           applicationId: app.applicationId || app.id,
@@ -134,7 +134,7 @@ export function FinanceOnboardingPage({ onViewPaymentDetails }: FinanceOnboardin
       <div className="flex items-center justify-between bg-white p-6 rounded-2xl border border-slate-100 shadow-sm">
         <div>
           <h1 className="text-3xl font-bold text-slate-900 tracking-tight mb-1">Payment Verification</h1>
-          <p className="text-slate-500">Review and verify dealer security deposits and first fill payments</p>
+          <p className="text-slate-500">Review and verify Security Deposit and First Fill payments for dealers</p>
         </div>
         <div className="flex items-center gap-3">
            <Button onClick={fetchApplications} variant="outline" size="sm" className="bg-white hover:bg-slate-50" data-testid="onboarding-finance-queue-sync-btn">
diff --git a/src/features/onboarding/pages/OpportunityRequestsPage.tsx b/src/features/onboarding/pages/OpportunityRequestsPage.tsx
index da65331..b3d9845 100644
--- a/src/features/onboarding/pages/OpportunityRequestsPage.tsx
+++ b/src/features/onboarding/pages/OpportunityRequestsPage.tsx
@@ -378,6 +378,9 @@ export function OpportunityRequestsPage({ onViewDetails }: OpportunityRequestsPa
       'Level 3 Approved': 'bg-green-100 text-green-800',
       'LOI In Progress': 'bg-sky-50 text-sky-700',
       'LOI Approved': 'bg-green-100 text-green-800',
+      'Security Deposit In Progress': 'bg-blue-50 text-blue-700',
+      'Security Deposit Approved': 'bg-green-100 text-green-800',
+      'Security Deposit': 'bg-blue-100 text-blue-800',
       'Security Details In Progress': 'bg-blue-50 text-blue-700',
       'Security Details Approved': 'bg-green-100 text-green-800',
       'Security Details': 'bg-blue-100 text-blue-800',
diff --git a/src/lib/mock-data.ts b/src/lib/mock-data.ts
index b69d29a..42ebcc1 100644
--- a/src/lib/mock-data.ts
+++ b/src/lib/mock-data.ts
@@ -46,6 +46,10 @@ export type ApplicationStatus =
   | 'Payment Pending'
   | 'LOI In Progress'
   | 'LOI Approved'
+  | 'Security Deposit In Progress'
+  | 'Security Deposit Approved'
+  | 'Security Deposit'
+  /** Legacy overallStatus from API / DB before rename */
   | 'Security Details In Progress'
   | 'Security Details Approved'
   | 'Security Details'
diff --git a/src/services/onboarding.service.ts b/src/services/onboarding.service.ts
index 3d41c44..a55cfbf 100644
--- a/src/services/onboarding.service.ts
+++ b/src/services/onboarding.service.ts
@@ -132,12 +132,12 @@ export const onboardingService = {
     },
     getSecurityDeposit: async (applicationId: string) => {
         const response: any = await API.getSecurityDeposit(applicationId);
-        if (!response.ok) throw new Error(response.data?.message || 'Failed to fetch security deposit');
+        if (!response.ok) throw new Error(response.data?.message || 'Failed to fetch Security Deposit');
         return response.data?.data || response.data;
     },
     updateSecurityDeposit: async (data: any) => {
         const response: any = await API.updateSecurityDeposit(data);
-        if (!response.ok) throw new Error(response.data?.message || 'Failed to update security deposit');
+        if (!response.ok) throw new Error(response.data?.message || 'Failed to update Security Deposit');
         return response.data;
     },
     getSystemConfigs: async (params?: any) => {