diff --git a/frontend/public/index.html b/frontend/public/index.html
index c504689..cf3e89a 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -9,7 +9,7 @@
       name="description"
       content="Web site created using create-react-app"
     />
-    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/favicon.png" />
     <!--
       manifest.json provides metadata used when your web app is installed on a
       user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
@@ -27,7 +27,7 @@
     <title>PIROIN</title>
   </head>
   <body>
-    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <noscript>피로그래밍 운영을 위한 통합 플랫폼</noscript>
     <div id="root"></div>
     <!--
       This HTML file is a template.
diff --git a/frontend/public/manifest.json b/frontend/public/manifest.json
index 080d6c7..0fbc788 100644
--- a/frontend/public/manifest.json
+++ b/frontend/public/manifest.json
@@ -1,6 +1,6 @@
 {
-  "short_name": "React App",
-  "name": "Create React App Sample",
+  "short_name": "PIROIN",
+  "name": "PIROIN",
   "icons": [
     {
       "src": "favicon.ico",
@@ -8,12 +8,12 @@
       "type": "image/x-icon"
     },
     {
-      "src": "logo192.png",
+      "src": "favicon.png",
       "type": "image/png",
       "sizes": "192x192"
     },
     {
-      "src": "logo512.png",
+      "src": "favicon.png",
       "type": "image/png",
       "sizes": "512x512"
     }
diff --git a/frontend/src/App.js b/frontend/src/App.js
index bc1358b..60aa4a8 100644
--- a/frontend/src/App.js
+++ b/frontend/src/App.js
@@ -12,6 +12,7 @@ import Assignment from './pages/pirocheck/assignment/Assignment';
 import Deposit from './pages/pirocheck/deposit/Deposit';
 import StudentList from './pages/pirocheck/students/StudentList';
 import StudentDetail from './pages/pirocheck/students/StudentDetail';
+import ProtectedRoute from "./routes/ProtectedRoute";
 
 function App() {
   return (
@@ -23,22 +24,27 @@ function App() {
         <Route path="/login" element={<LoginPage />} />
         <Route path="/onboarding" element={<OnboardingPage />} />
 
-        {/* 라이트 헤더 페이지 */}
-        <Route element={<Layout headerType="light" />}>
-          <Route path="/sessions" element={<QnAMainPage />} />
-          <Route path="/sessions/:sessionId/questions" element={<QnAListPage />} />
-          <Route path="/sessions/:sessionId/questions/:questionId" element={<QnADetailPage />} />
-          <Route path="/curriculum" element={<CurriculumPage />} />
-        </Route>
+        {/* 로그인 필요한 페이지들 */}
+        <Route element={<ProtectedRoute />}>
+
+          {/* 라이트 헤더 페이지 */}
+          <Route element={<Layout headerType="light" />}>
+            <Route path="/sessions" element={<QnAMainPage />} />
+            <Route path="/sessions/:sessionId/questions" element={<QnAListPage />} />
+            <Route path="/sessions/:sessionId/questions/:questionId" element={<QnADetailPage />} />
+            <Route path="/curriculum" element={<CurriculumPage />} />
+          </Route>
+
+          {/* 다크 헤더 페이지 */}
+          <Route element={<Layout headerType="dark" />}>
+            <Route path="/pirocheck" element={<PiroCheckMain />} />
+            <Route path="/pirocheck/attendance" element={<Attendance />} />
+            <Route path="/pirocheck/assignment" element={<Assignment />} />
+            <Route path="/pirocheck/deposit" element={<Deposit />} />
+            <Route path="/pirocheck/students" element={<StudentList />} />
+            <Route path="/pirocheck/students/:userId" element={<StudentDetail />} />
+          </Route>
 
-        {/* 다크 헤더 페이지 */}
-        <Route element={<Layout headerType="dark" />}>
-          <Route path="/pirocheck" element={<PiroCheckMain />} />
-          <Route path="/pirocheck/attendance" element={<Attendance />} />
-          <Route path="/pirocheck/assignment" element={<Assignment />} />
-          <Route path="/pirocheck/deposit" element={<Deposit />} />
-          <Route path="/pirocheck/students" element={<StudentList />} />
-          <Route path="/pirocheck/students/:userId" element={<StudentDetail />} />
         </Route>
 
       </Routes>
diff --git a/frontend/src/routes/ProtectedRoute.jsx b/frontend/src/routes/ProtectedRoute.jsx
new file mode 100644
index 0000000..37d47d8
--- /dev/null
+++ b/frontend/src/routes/ProtectedRoute.jsx
@@ -0,0 +1,11 @@
+import { Navigate, Outlet } from "react-router-dom";
+
+export default function ProtectedRoute() {
+  const token = localStorage.getItem("token");
+
+  if (!token) {
+    return <Navigate to="/login" replace />;
+  }
+
+  return <Outlet />;
+}
\ No newline at end of file
