diff --git a/backend/package-lock.json b/backend/package-lock.json
index 37e4c3b..76e2f41 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -13,6 +13,7 @@
         "drizzle-orm": "^1.0.0-rc.4",
         "express": "^5.1.0",
         "pg": "^8.22.0",
+        "typescript": "^6.0.3",
         "uuid": "^13.0.0"
       },
       "devDependencies": {
@@ -2341,6 +2342,19 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/typescript": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+      "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/undici-types": {
       "version": "7.18.2",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
diff --git a/backend/package.json b/backend/package.json
index a8a2326..3032a88 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -13,6 +13,7 @@
     "drizzle-orm": "^1.0.0-rc.4",
     "express": "^5.1.0",
     "pg": "^8.22.0",
+    "typescript": "^6.0.3",
     "uuid": "^13.0.0"
   },
   "devDependencies": {
diff --git a/backend/src/routes/users.ts b/backend/src/routes/users.ts
index 8b160d8..e513ded 100644
--- a/backend/src/routes/users.ts
+++ b/backend/src/routes/users.ts
@@ -7,7 +7,12 @@ import { auth } from '../middleware/auth.ts';
 const db = drizzle(process.env.DATABASE_URL!);
 export const usersRouter = express.Router();
 
-usersRouter.get("/getUsers", async (_: Request, res: Response) => {
+usersRouter.get("/getUsers", auth, async (req: Request, res: Response) => {
+  if (req.jwt.payload.prm === 44)
+    return res
+      .status(401)
+      .json({ error: "Cannot access endpoint with default permissions" });
+
   const resp = await db.select().from(users);
   res.json(resp)
 });
diff --git a/backend/index.d.ts b/backend/src/types/express/index.d.ts
similarity index 66%
rename from backend/index.d.ts
rename to backend/src/types/express/index.d.ts
index 053940a..c48879f 100644
--- a/backend/index.d.ts
+++ b/backend/src/types/express/index.d.ts
@@ -1,4 +1,4 @@
-import JsonWebToken from './src/types/JsonWebToken.ts';
+import JsonWebToken from '../JsonWebToken.ts';
 export { }
 
 
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
new file mode 100644
index 0000000..9b66f38
--- /dev/null
+++ b/backend/tsconfig.json
@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "strict": true,
+    "esModuleInterop": true,
+    "allowImportingTsExtensions": true,
+    "skipLibCheck": true,
+    "types": [
+      "node"
+    ]
+  },
+  "include": [
+    "src"
+  ]
+}