diff --git a/src/components/Contact.jsx b/src/components/Contact.jsx
index e44075d..d414e78 100644
--- a/src/components/Contact.jsx
+++ b/src/components/Contact.jsx
@@ -31,6 +31,16 @@ const Contact = () => {
             return;
         }
 
+        // 3. Rate Limiting (Prevent spamming)
+        const lastSubmission = localStorage.getItem('lastEmailSubmission');
+        if (lastSubmission) {
+            const timePassed = Date.now() - parseInt(lastSubmission, 10);
+            if (timePassed < 60000) { // 60 seconds
+                setStatus('잠시 후 다시 시도해주세요. (1분에 한 번만 전송 가능합니다)');
+                return;
+            }
+        }
+
         setStatus('전송 중...');
 
         try {
@@ -52,6 +62,7 @@ const Contact = () => {
             if (response.ok) {
                 setStatus('문의가 성공적으로 접수되었습니다! 담당자가 곧 연락드리겠습니다.');
                 setFormData({ name: '', phone: '', message: '', honeypot: '' });
+                localStorage.setItem('lastEmailSubmission', Date.now().toString());
                 alert('문의가 접수되었습니다. 확인 후 연락드리겠습니다!');
             } else {
                 setStatus('전송에 실패했습니다. 잠시 후 다시 시도해주세요.');
diff --git a/src/components/Footer.jsx b/src/components/Footer.jsx
index 96935f5..c021976 100644
--- a/src/components/Footer.jsx
+++ b/src/components/Footer.jsx
@@ -6,9 +6,11 @@ const Footer = () => {
             <div className="container footer-container">
                 <div className="footer-info">
                     <h3>Sokuree Consultant</h3>
-                    <p>Representative: Gildong Hong | Business License: 000-00-00000</p>
+                    <p>代表: 홍길동 | Business License: 000-00-00000</p>
                     <p>주소: 서울특별시 ... (추후 업데이트)</p>
-                    <p>이메일: contact@sokuree.com | 전화: 02-0000-0000</p>
+                    <p>
+                        이메일: <a href={`mailto:${'contact'}@${'sokuree.com'}`} style={{ color: '#ccc', textDecoration: 'none' }} onClick={(e) => { e.currentTarget.href = `mailto:contact@sokuree.com`; }}>{'contact'}@{'sokuree.com'}</a> | 전화: 02-0000-0000
+                    </p>
                 </div>
                 <div className="footer-links">
                     <Link to="/news">소식</Link>
diff --git a/src/pages/About.jsx b/src/pages/About.jsx
index 069ff87..ab561b0 100644
--- a/src/pages/About.jsx
+++ b/src/pages/About.jsx
@@ -40,7 +40,7 @@ const About = () => {
                             <ul className="profile-list">
                                 <li className="flex items-center">
                                     <span style={{ marginRight: '10px' }}>✅</span>
-                                    품질관리 기술사
+                                    품질관리 기술사 / 6 Sigma MBB
                                 </li>
                                 <li className="flex items-center">
                                     <span style={{ marginRight: '10px' }}>✅</span>