diff --git a/package-lock.json b/package-lock.json
index e7860d2..cbea398 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
       "dependencies": {
         "dotenv": "^17.4.1",
         "express": "^5.2.1",
+        "express-session": "^1.19.0",
         "jose": "^6.2.2",
         "openid-client": "^5.7.1"
       }
@@ -285,6 +286,50 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/express-session": {
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.19.0.tgz",
+      "integrity": "sha512-0csaMkGq+vaiZTmSMMGkfdCOabYv192VbytFypcvI0MANrp+4i/7yEkJ0sbAEhycQjntaKGzYfjfXQyVb7BHMA==",
+      "license": "MIT",
+      "dependencies": {
+        "cookie": "~0.7.2",
+        "cookie-signature": "~1.0.7",
+        "debug": "~2.6.9",
+        "depd": "~2.0.0",
+        "on-headers": "~1.1.0",
+        "parseurl": "~1.3.3",
+        "safe-buffer": "~5.2.1",
+        "uid-safe": "~2.1.5"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/express-session/node_modules/cookie-signature": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.7.tgz",
+      "integrity": "sha512-NXdYc3dLr47pBkpUCHtKSwIOQXLVn8dZEuywboCOJY/osA0wFSLlSawr3KN8qXJEyX66FcONTH8EIlVuK0yyFA==",
+      "license": "MIT"
+    },
+    "node_modules/express-session/node_modules/debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/express-session/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
+      "license": "MIT"
+    },
     "node_modules/finalhandler": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-2.1.1.tgz",
@@ -596,6 +641,15 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/on-headers": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.1.0.tgz",
+      "integrity": "sha512-737ZY3yNnXy37FHkQxPzt4UZ2UWPWiCZWLvFZ4fu5cueciegX0zGPnrlY6bwRg4FdQOe9YU8MkmJwGhoMybl8A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -676,6 +730,15 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/random-bytes": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz",
+      "integrity": "sha512-iv7LhNVO047HzYR3InF6pUcUsPQiHTM1Qal51DcGSuZFBil1aBBWG5eHPNek7bvILMaYJ/8RU1e8w1AMdHmLQQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -716,6 +779,26 @@
         "node": ">= 18"
       }
     },
+    "node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -877,6 +960,18 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/uid-safe": {
+      "version": "2.1.5",
+      "resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-2.1.5.tgz",
+      "integrity": "sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==",
+      "license": "MIT",
+      "dependencies": {
+        "random-bytes": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
diff --git a/package.json b/package.json
index 957f9f4..08f8234 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
   "dependencies": {
     "dotenv": "^17.4.1",
     "express": "^5.2.1",
+    "express-session": "^1.19.0",
     "jose": "^6.2.2",
     "openid-client": "^5.7.1"
   }
diff --git a/public/app.js b/public/app.js
index 885045e..d080eeb 100644
--- a/public/app.js
+++ b/public/app.js
@@ -101,7 +101,13 @@ loginForm.addEventListener('submit', async (e) => {
             successTitle.textContent = currentMode === 'phone' ? '인증링크 발송 완료' : '로그인 성공';
             successDescription.textContent = currentMode === 'phone' 
                 ? `${identifier} 번호로 인증 링크를 보냈습니다.`
-                : `${identifier} 계정으로 접속되었습니다.`;
+                : `${identifier} 계정으로 접속되었습니다. 잠시 후 홈 화면으로 이동합니다...`;
+            
+            if (result.redirectTo) {
+                setTimeout(() => {
+                    window.location.href = result.redirectTo;
+                }, 1500);
+            }
         } else {
             alert(result.message || '오류가 발생했습니다.');
             submitButton.disabled = false;
diff --git a/public/home.html b/public/home.html
new file mode 100644
index 0000000..f946ca2
--- /dev/null
+++ b/public/home.html
@@ -0,0 +1,75 @@
+<!DOCTYPE html>
+<html lang="ko">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Home - Headless Login Demo</title>
+    <link rel="stylesheet" href="styles.css">
+    <style>
+        .home-container {
+            text-align: center;
+            padding: 40px 20px;
+        }
+        .user-info {
+            background: rgba(255, 255, 255, 0.1);
+            border-radius: 12px;
+            padding: 20px;
+            margin: 20px 0;
+            text-align: left;
+        }
+        .info-item {
+            margin-bottom: 10px;
+            font-size: 0.9rem;
+        }
+        .info-label {
+            color: #ccc;
+            margin-right: 10px;
+        }
+        .logout-btn {
+            background: #ff4757;
+            margin-top: 20px;
+        }
+    </style>
+</head>
+<body>
+    <div class="login-container home-container">
+        <h1 class="login-title">환영합니다!</h1>
+        <p>SSO를 통해 안전하게 로그인되었습니다.</p>
+        
+        <div id="userInfo" class="user-info">
+            <p>사용자 정보를 불러오는 중...</p>
+        </div>
+
+        <button id="logoutBtn" class="login-button logout-btn">로그아웃</button>
+    </div>
+
+    <script>
+        async function fetchUserInfo() {
+            try {
+                const response = await fetch('/api/me');
+                if (response.ok) {
+                    const data = await response.json();
+                    const user = data.user;
+                    document.getElementById('userInfo').innerHTML = `
+                        <div class="info-item"><span class="info-label">사용자 ID:</span> <span>${user.id}</span></div>
+                        <div class="info-item"><span class="info-label">이름:</span> <span>${user.name}</span></div>
+                        <div class="info-item"><span class="info-label">로그인 시간:</span> <span>${new Date(user.loginTime).toLocaleString()}</span></div>
+                    `;
+                } else {
+                    window.location.href = '/';
+                }
+            } catch (err) {
+                console.error('Failed to fetch user info:', err);
+                window.location.href = '/';
+            }
+        }
+
+        document.getElementById('logoutBtn').addEventListener('click', async () => {
+            await fetch('/api/logout', { method: 'POST' });
+            window.location.href = '/';
+        });
+
+        fetchUserInfo();
+    </script>
+</body>
+</html>
diff --git a/server.js b/server.js
index 4aeae13..6cbfbd2 100644
--- a/server.js
+++ b/server.js
@@ -1,5 +1,6 @@
 require('dotenv').config();
 const express = require('express');
+const session = require('express-session');
 const path = require('path');
 const fs = require('fs');
 const { generateKeyPair, exportJWK } = require('jose');
@@ -9,8 +10,23 @@ const app = express();
 const PORT = process.env.PORT || 3000;
 
 app.use(express.json());
+app.use(session({
+    secret: 'headless-demo-secret-key',
+    resave: false,
+    saveUninitialized: true,
+    cookie: { secure: false } // 개발 환경이므로 false
+}));
 app.use(express.static(path.join(__dirname, 'public')));
 
+// 인증 체크 미들웨어
+const isAuthenticated = (req, res, next) => {
+    if (req.session.user) {
+        next();
+    } else {
+        res.status(401).json({ success: false, message: '인증이 필요합니다.' });
+    }
+};
+
 let jwks;
 let oidcClient;
 
@@ -75,12 +91,17 @@ app.post('/api/login', async (req, res) => {
         await delay(1200);
 
         if (loginId && password) {
+            const userData = { id: loginId, name: '사용자(SSO)', loginTime: new Date().toISOString() };
             console.log(`[OIDC Success] ID Token received and verified using SSO public keys.`);
+            
+            // 세션에 저장
+            req.session.user = userData;
+
             res.json({ 
                 success: true, 
                 message: 'SSO(OIDC) 인증 성공', 
-                user: { id: loginId, name: '사용자(SSO)' },
-                redirectTo: '/home' 
+                user: userData,
+                redirectTo: '/home.html' 
             });
         } else {
             res.status(401).json({ success: false, message: 'SSO 인증 실패: 아이디 또는 비밀번호를 확인해주세요.' });
@@ -113,6 +134,17 @@ app.post('/api/send-link', async (req, res) => {
     }
 });
 
+// 내 정보 확인 API
+app.get('/api/me', isAuthenticated, (req, res) => {
+    res.json({ success: true, user: req.session.user });
+});
+
+// 로그아웃 API
+app.post('/api/logout', (req, res) => {
+    req.session.destroy();
+    res.json({ success: true, message: '로그아웃 되었습니다.' });
+});
+
 // OIDC Callback (모바일 앱 리디렉션 등 처리용)
 app.get('/callback', (req, res) => {
     const params = oidcClient.callbackParams(req);