diff --git a/index.ts b/index.ts
index fcd7663..d2795fc 100644
--- a/index.ts
+++ b/index.ts
@@ -8,10 +8,12 @@ import swaggerJsDoc from "swagger-jsdoc";
 const app: Express = express();
 const port = process.env.PORT || 3000;
 
-import routes from "./src/routes/routes";
+import { initDatabase } from "./src/mongodb/mongodb";
 import swaggerUI from "swagger-ui-express";
 
-import { initDatabase } from "./src/mongodb/mongodb";
+import adminRoutes from "./src/routes/adminRoutes";
+import userRoutes from "./src/routes/userRoutes";
+import eventRoutes from "./src/routes/eventRoutes";
 
 const options = {
   definition: {
@@ -39,11 +41,23 @@ const options = {
 };
 
 app.use(bodyParser.json());
-app.use("/api/v1", routes);
+
+app.use("/api/v1/user", userRoutes);
+app.use("/api/v1/admin", adminRoutes);
+app.use("/api/v1/events", eventRoutes);
 
 const specs = swaggerJsDoc(options);
 app.use("/api-docs", swaggerUI.serve, swaggerUI.setup(specs));
 
+app.use((req, res, next) => {
+  res.status(404).send("not found");
+});
+
+app.use((err: any, req: any, res: any, next: any) => {
+  console.log("req err", err.stack);
+  res.status(500).send({ err: "invalid request" });
+});
+
 initDatabase();
 
 app.listen(port, () => {
diff --git a/src/controllers/userController.ts b/src/controllers/userController.ts
index ac3c117..f17eefe 100644
--- a/src/controllers/userController.ts
+++ b/src/controllers/userController.ts
@@ -13,7 +13,7 @@ export async function SignUp(req: Request, res: Response) {
   const existingUser = await User.findOne({ accountName }).lean();
 
   if (existingUser) {
-    return res.status(400).json({ status: "err" });
+    return res.status(400).json({ status: 1 });
   }
 
   const isBase64Password =
diff --git a/src/middleware/authMiddleware.ts b/src/middleware/authMiddleware.ts
new file mode 100644
index 0000000..bf257b4
--- /dev/null
+++ b/src/middleware/authMiddleware.ts
@@ -0,0 +1,18 @@
+import { Request } from "express";
+import { Session } from "../models/session";
+
+export async function sessionProtection(req: Request, res: any, next: any) {
+  const xAuthorization = req.get("x-authorization");
+
+  if (!xAuthorization) {
+    return res.status(401).json({ status: "err" });
+  }
+
+  const session = await Session.findOne({ sessionId: xAuthorization }).lean();
+
+  if (!session) {
+    return res.status(401).json({ status: "err" });
+  }
+
+  next();
+}
diff --git a/src/models/session.ts b/src/models/session.ts
index 0801cd0..459250a 100644
--- a/src/models/session.ts
+++ b/src/models/session.ts
@@ -1,12 +1,12 @@
 import mongoose, { InferSchemaType, Schema } from "mongoose";
-import { ADMIN_MAX_USERS_PER_PAGE } from "../utils/utils";
+import { DEFAULT_SESSION_EXPIRATION } from "../utils/constants";
 
 export const sessionSchema = new Schema({
   sessionId: String,
   accountName: String,
   expiresAt: {
     type: Date,
-    default: new Date(Date.now() + ADMIN_MAX_USERS_PER_PAGE),
+    default: new Date(Date.now() + DEFAULT_SESSION_EXPIRATION),
   },
 });
 
diff --git a/src/routes/adminRoutes.ts b/src/routes/adminRoutes.ts
new file mode 100644
index 0000000..8ca4c25
--- /dev/null
+++ b/src/routes/adminRoutes.ts
@@ -0,0 +1,9 @@
+import express from "express";
+const router = express.Router();
+
+import * as adminController from "../controllers/adminController";
+import { sessionProtection } from "../middleware/authMiddleware";
+
+router.get("/users", sessionProtection, adminController.GetAllUsers);
+
+export default router;
diff --git a/src/routes/eventRoutes.ts b/src/routes/eventRoutes.ts
new file mode 100644
index 0000000..11d4ee8
--- /dev/null
+++ b/src/routes/eventRoutes.ts
@@ -0,0 +1,4 @@
+import express from "express";
+const router = express.Router();
+
+export default router;
diff --git a/src/routes/routes.ts b/src/routes/userRoutes.ts
similarity index 91%
rename from src/routes/routes.ts
rename to src/routes/userRoutes.ts
index 3ac7aa3..6db1231 100644
--- a/src/routes/routes.ts
+++ b/src/routes/userRoutes.ts
@@ -1,7 +1,6 @@
 import express from "express";
 const router = express.Router();
 import * as userController from "../controllers/userController";
-import * as adminController from "../controllers/adminController";
 
 /**
  * @swagger
@@ -63,7 +62,7 @@ import * as adminController from "../controllers/adminController";
  *                   type: string
  *                   example: 'err'
  */
-router.post("/user/signup", userController.SignUp);
+router.post("/signup", userController.SignUp);
 
 /**
  * @swagger
@@ -125,10 +124,8 @@ router.post("/user/signup", userController.SignUp);
  *                   type: string
  *                   example: 'err'
  */
-router.post("/user/login", userController.Login);
+router.post("/login", userController.Login);
 
-router.get("/user/profile/:accountName", userController.GetUserProfile);
-
-router.get("/admin/users", adminController.GetAllUsers);
+router.get("/profile/:accountName", userController.GetUserProfile);
 
 export default router;
diff --git a/src/utils/constants.ts b/src/utils/constants.ts
new file mode 100644
index 0000000..2461843
--- /dev/null
+++ b/src/utils/constants.ts
@@ -0,0 +1,5 @@
+// Time duration in milliseconds for a default session expiration (7 days)
+export const DEFAULT_SESSION_EXPIRATION: number = 7 * 24 * 60 * 60 * 1000;
+
+// Maximum number of users to display per page in the admin interface
+export const ADMIN_MAX_USERS_PER_PAGE: number = 10;
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index 665ea44..09fff9c 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -2,9 +2,6 @@ import crypto from "crypto";
 import { Session } from "../models/session";
 import { Response } from "express";
 
-export const DEFAULT_SESSION_EXPIRATION = 7 * 24 * 60 * 60 * 1000; // 7 days
-export const ADMIN_MAX_USERS_PER_PAGE = 10;
-
 export async function saveSession(res: Response, accountName: string) {
   try {
     // Generate a random session ID