diff --git a/Assets/Scripts/SingletonManagers/Managers/DBManager.cs b/Assets/Scripts/SingletonManagers/Managers/DBManager.cs
index 884a4fd..b2c590b 100644
--- a/Assets/Scripts/SingletonManagers/Managers/DBManager.cs
+++ b/Assets/Scripts/SingletonManagers/Managers/DBManager.cs
@@ -320,7 +320,11 @@ public partial class DBManager : MonoBehaviour
         this.saveData = new SaveData();
         saveData.Initialize();
 
-        SaveData loadData = ES3.Load<SaveData>(SAVE_KEY, defaultValue: null);
+        SaveData loadData = ES3.Load<SaveData>(SAVE_KEY, defaultValue: null, new ES3Settings()
+        {
+            encryptionType = ES3.EncryptionType.AES,   // AES 또는 XOR 사용 가능
+            encryptionPassword = "MyStrongPassword123" // 원하는 암호
+        });
 
         if (loadData != null)
         {
@@ -353,7 +357,11 @@ public partial class DBManager : MonoBehaviour
     {
         if (CompleteDataLoad)
         {
-            ES3.Save(SAVE_KEY, this.saveData);
+            ES3.Save(SAVE_KEY, this.saveData, new ES3Settings()
+            {
+                encryptionType = ES3.EncryptionType.AES,   // AES 또는 XOR 사용 가능
+                encryptionPassword = "MyStrongPassword123" // 원하는 암호
+            });
         }
     }
 
@@ -361,7 +369,11 @@ public partial class DBManager : MonoBehaviour
     {
         if (CompleteDataLoad)
         {
-            return ES3.KeyExists(SAVE_KEY);
+            return ES3.KeyExists(SAVE_KEY, new ES3Settings()
+            {
+                encryptionType = ES3.EncryptionType.AES,
+                encryptionPassword = "MyStrongPassword123" // 원하는 암호
+            });
         }
 
         return false;
diff --git a/Assets/Scripts/SingletonManagers/Managers/TimerManager.cs b/Assets/Scripts/SingletonManagers/Managers/TimerManager.cs
index a254ba7..13b1b9d 100644
--- a/Assets/Scripts/SingletonManagers/Managers/TimerManager.cs
+++ b/Assets/Scripts/SingletonManagers/Managers/TimerManager.cs
@@ -163,7 +163,11 @@ public class TimerManager : MonoBehaviour
             if (info != null)
             {
                 info.saveTimeData = InternetTime.Ins.Time;
-                ES3.Save<SimpleTimerInfo>(sb.ToString(), info, "TimerData.json");
+                ES3.Save<SimpleTimerInfo>(sb.ToString(), info, "TimerData.json", new ES3Settings()
+                {
+                    encryptionType = ES3.EncryptionType.AES,   // AES 또는 XOR 사용 가능
+                    encryptionPassword = "MyStrongPassword123" // 원하는 암호
+                });
             }
         }
     }
@@ -179,17 +183,29 @@ public class TimerManager : MonoBehaviour
             if (info != null)
             {
                 info.saveTimeData = InternetTime.Ins.Time;
-                ES3.Save<HierarchyTimerInfo>(sb.ToString(), info, "TimerData.json");
+                ES3.Save<HierarchyTimerInfo>(sb.ToString(), info, "TimerData.json", new ES3Settings()
+                {
+                    encryptionType = ES3.EncryptionType.AES,   // AES 또는 XOR 사용 가능
+                    encryptionPassword = "MyStrongPassword123" // 원하는 암호
+                });
             }
         }
     }
 
     private void LoadAllTimerInfo()
     {
-        if (ES3.KeyExists("TimerData.json"))
+        if (ES3.KeyExists("TimerData.json", new ES3Settings()
+        {
+            encryptionType = ES3.EncryptionType.AES,
+            encryptionPassword = "MyStrongPassword123" // 원하는 암호
+        }))
         {
             TimerInfo info = new TimerInfo();
-            info = ES3.Load<TimerInfo>("TimerData.json");
+            info = ES3.Load<TimerInfo>("TimerData.json", new ES3Settings()
+            {
+                encryptionType = ES3.EncryptionType.AES,   // AES 또는 XOR 사용 가능
+                encryptionPassword = "MyStrongPassword123" // 원하는 암호
+            });
 
             timerInfoDictionary.Add(info.OwnerName, info);
         }
@@ -203,7 +219,11 @@ public class TimerManager : MonoBehaviour
         if (ES3.KeyExists(sb.ToString(), "TimerData.json"))
         {
             SimpleTimerInfo info = new SimpleTimerInfo(ownerName);
-            info = ES3.Load<SimpleTimerInfo>(sb.ToString(), "TimerData.json");
+            info = ES3.Load<SimpleTimerInfo>(sb.ToString(), "TimerData.json", new ES3Settings()
+            {
+                encryptionType = ES3.EncryptionType.AES,   // AES 또는 XOR 사용 가능
+                encryptionPassword = "MyStrongPassword123" // 원하는 암호
+            });
 
             info.ResetEvent();
 
@@ -227,7 +247,11 @@ public class TimerManager : MonoBehaviour
         if (ES3.KeyExists(sb.ToString(), "TimerData.json"))
         {
             HierarchyTimerInfo info = new HierarchyTimerInfo(ownerName);
-            info = ES3.Load<HierarchyTimerInfo>(sb.ToString(), "TimerData.json");
+            info = ES3.Load<HierarchyTimerInfo>(sb.ToString(), "TimerData.json", new ES3Settings()
+            {
+                encryptionType = ES3.EncryptionType.AES,   // AES 또는 XOR 사용 가능
+                encryptionPassword = "MyStrongPassword123" // 원하는 암호
+            });
 
             info.ResetEvent();
 
@@ -559,39 +583,35 @@ public class TimerManager : MonoBehaviour
         }
     }
 
+    private const string TIME_KEY = "SavedTime";
     public void SaveTime()
     {
-        sb.Clear();
-        sb.Append(Application.persistentDataPath).Append("/Time.json");
-        string fileName = Path.Combine(sb.ToString());
-
-        if (File.Exists(fileName))
+        // 인터넷 시간을 저장
+        ES3.Save<DateTime>(TIME_KEY, InternetTime.Ins.Time, new ES3Settings()
         {
-            File.Delete(fileName);
-        }
-
-        string jsonFile = JsonConvert.SerializeObject(InternetTime.Ins.Time);
-
-        File.WriteAllText(fileName, jsonFile);
+            encryptionType = ES3.EncryptionType.AES,
+            encryptionPassword = "MyStrongPassword123" // 원하는 암호
+        });
     }
 
     public DateTime LoadTime()
     {
-        sb.Clear();
-        sb.Append(Application.persistentDataPath).Append("/Time.json");
-        string fileName = Path.Combine(sb.ToString());
-
-        if (File.Exists(fileName) == false)
+        if (!ES3.KeyExists(TIME_KEY, new ES3Settings()
+        {
+            encryptionType = ES3.EncryptionType.AES,
+            encryptionPassword = "MyStrongPassword123" // 원하는 암호
+        }))
         {
             SaveTime();
             loadTime = InternetTime.Ins.Time;
-
             return loadTime;
         }
 
-        string jsonFile = File.ReadAllText(fileName);
-        loadTime = JsonConvert.DeserializeObject<DateTime>(jsonFile);
-
+        loadTime = ES3.Load<DateTime>(TIME_KEY, InternetTime.Ins.Time, new ES3Settings()
+        {
+            encryptionType = ES3.EncryptionType.AES,
+            encryptionPassword = "MyStrongPassword123" // 원하는 암호
+        });
         return loadTime;
     }
 
diff --git a/Assets/Scripts/UI/GamePanel/GamePanel.cs b/Assets/Scripts/UI/GamePanel/GamePanel.cs
index ab952ff..95f47dc 100644
--- a/Assets/Scripts/UI/GamePanel/GamePanel.cs
+++ b/Assets/Scripts/UI/GamePanel/GamePanel.cs
@@ -389,9 +389,8 @@ public partial class GamePanel : MonoBehaviour
 
     void Set_Mission()
     {
-        // 테스트 : 미션 100%
-        //if (DSUtil.RandomTrue(0.1f + GameManager.DB.MissionAddRate))
-        if (true)
+        if (DSUtil.RandomTrue(0.1f + GameManager.DB.MissionAddRate))
+        //if (true) // 테스트 : 미션 100%
         {
             GameManager.DB.Set_Mission(false);