diff --git a/server/api-server/package.json b/server/api-server/package.json
index 8f18dc8..853e677 100644
--- a/server/api-server/package.json
+++ b/server/api-server/package.json
@@ -22,6 +22,7 @@
   },
   "dependencies": {
     "@nestjs/axios": "^3.0.1",
+    "@nestjs/cache-manager": "^2.1.1",
     "@nestjs/common": "^10.0.0",
     "@nestjs/config": "^3.1.1",
     "@nestjs/core": "^10.0.0",
@@ -58,6 +59,7 @@
     "@nestjs/schematics": "^10.0.0",
     "@nestjs/testing": "^10.0.0",
     "@types/bcrypt": "^5.0.2",
+    "@types/cookie-parser": "^1.4.6",
     "@types/express": "^4.17.21",
     "@types/express-session": "^1.17.10",
     "@types/ioredis": "^5.0.0",
diff --git a/server/api-server/src/auth/auth.controller.ts b/server/api-server/src/auth/auth.controller.ts
index 133faeb..caa24c9 100644
--- a/server/api-server/src/auth/auth.controller.ts
+++ b/server/api-server/src/auth/auth.controller.ts
@@ -7,6 +7,7 @@ import {
   Session,
   Post,
   Body,
+  HttpException,
 } from '@nestjs/common';
 import { NaverAuthGuard } from './guard/naver-auth.guard';
 import { AuthService } from './auth.service';
@@ -36,9 +37,17 @@ export class AuthController {
     @Req() req,
     @Res() res: Response,
   ): Promise<any> {
-  session.userId = req.user.userId;
-  
-  const sessionId = session.id; 
-  res.json({ sessionId });
+    session.userId = req.user.userId;
+    res.redirect(process.env.CLIENT_ORIGIN);
+    res.send(`<script>window.close();</script>`);
+    res.end();
+  }
+
+  @Get('sessionId')
+  async getSessionId(@Session() session: Record<string, any>) {
+    if (!session.id) {
+      throw new HttpException('Unauthorized', 401);
+    }
+    return { session: session.id };
   }
 }
diff --git a/server/api-server/src/auth/auth.service.ts b/server/api-server/src/auth/auth.service.ts
index f1feaf4..20556c0 100644
--- a/server/api-server/src/auth/auth.service.ts
+++ b/server/api-server/src/auth/auth.service.ts
@@ -2,6 +2,7 @@ import { Injectable } from '@nestjs/common';
 import { UsersService } from '../users/users.service';
 import { CreateUserDto } from '../users/dto/create-user.dto';
 import { v4 as uuid } from 'uuid';
+
 @Injectable()
 export class AuthService {
   constructor(private usersService: UsersService) {}
diff --git a/server/api-server/src/auth/guard/logged-in.guard.ts b/server/api-server/src/auth/guard/logged-in.guard.ts
index d4105ce..3ce358e 100644
--- a/server/api-server/src/auth/guard/logged-in.guard.ts
+++ b/server/api-server/src/auth/guard/logged-in.guard.ts
@@ -1,25 +1,31 @@
-import { CanActivate, ExecutionContext, Injectable } from '@nestjs/common';
+import {
+  CanActivate,
+  ExecutionContext,
+  Injectable,
+  Logger,
+} from '@nestjs/common';
 import { Request } from 'express';
-import { Observable } from 'rxjs';
+
+interface LoggedInSession {
+  cookie: any;
+  userId: string | undefined;
+}
 
 @Injectable()
 export class LoggedInGuard implements CanActivate {
-  canActivate(
-    context: ExecutionContext,
-  ): boolean | Promise<boolean> | Observable<boolean> {
+  private readonly logger = new Logger(LoggedInGuard.name);
+
+  async canActivate(context: ExecutionContext): Promise<boolean> {
     const request = context.switchToHttp().getRequest() as Request;
-    const sid = this.getSidFromCookie(request.headers.cookie);
-    // TODO token이 유효한지 확인하는 로직이 필요함
-    return sid !== null;
-  }
+    const session = request.session as unknown as LoggedInSession;
+    const isAuthenticated = session?.userId ? true : false;
 
-  getSidFromCookie(cookieString) {
-    const cookies = cookieString.split('; ').reduce((acc, cookie) => {
-      const [key, value] = cookie.split('=');
-      acc[key] = value;
-      return acc;
-    }, {});
+    if (isAuthenticated) {
+      this.logger.debug(`Authenticated: ${session?.userId}`);
+    } else {
+      this.logger.debug(`Unauthenticated`);
+    }
 
-    return cookies['connect.sid'];
+    return isAuthenticated;
   }
 }
diff --git a/server/api-server/src/common/redis.session.ts b/server/api-server/src/common/redis.session.ts
index 26328c5..f2aab69 100644
--- a/server/api-server/src/common/redis.session.ts
+++ b/server/api-server/src/common/redis.session.ts
@@ -2,11 +2,11 @@ import * as session from 'express-session';
 import RedisStore from 'connect-redis';
 import { createClient } from 'redis';
 import { Logger } from '@nestjs/common';
+import * as process from 'process';
 
 export function getSession() {
   const logger = new Logger(getSession.name);
-
-  const url = process.env.REDIS_URL || 'redis://localhost:6379';
+  const url = process.env.REDIS_URL;
   const redisClient = createClient({
     url,
   });
@@ -21,9 +21,10 @@ export function getSession() {
     saveUninitialized: false,
     resave: false,
     store: redisStore,
+    proxy: true,
     cookie: {
-      httpOnly: false,
-      secure: false,
+      httpOnly: true,
+      secure: process.env.NODE_ENV === 'production',
       maxAge: 1000 * 60 * 60 * 24 * 7,
     },
   });
diff --git a/server/api-server/src/main.ts b/server/api-server/src/main.ts
index 1b8eabe..5dca596 100644
--- a/server/api-server/src/main.ts
+++ b/server/api-server/src/main.ts
@@ -3,10 +3,16 @@ import { AppModule } from './app.module';
 import { getSession } from './common/redis.session';
 import { RedisIoAdapter } from './common/redis.adapter';
 import * as passport from 'passport';
+import * as process from 'process';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
 
+  app.enableCors({
+    origin: process.env.CLIENT_ORIGIN,
+    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
+    credentials: true,
+  });
   const session = getSession();
   app.use(session);
   app.use(passport.initialize());
diff --git a/server/api-server/src/streams/streams.controller.ts b/server/api-server/src/streams/streams.controller.ts
index 1946fbd..0cdf9a5 100644
--- a/server/api-server/src/streams/streams.controller.ts
+++ b/server/api-server/src/streams/streams.controller.ts
@@ -5,7 +5,6 @@ import { UpdateStreamDto } from './dto/update-stream.dto';
 @Controller('streams')
 export class StreamsController {
   constructor(private readonly streamsService: StreamsService) {}
-
   @Get()
   findAll(@Query('page') page = '1', @Query('size') size = '5') {
     return this.streamsService.findAll(+page, +size);
diff --git a/server/api-server/src/users/users.controller.spec.ts b/server/api-server/src/users/users.controller.spec.ts
index 76db712..8c6281f 100644
--- a/server/api-server/src/users/users.controller.spec.ts
+++ b/server/api-server/src/users/users.controller.spec.ts
@@ -15,7 +15,7 @@ describe('UsersController', () => {
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
       imports: [
-        ConfigModule.forRoot({isGlobal: true}),
+        ConfigModule.forRoot({ isGlobal: true }),
         TypeOrmModule.forRoot({
           type: 'mysql',
           host: process.env.DB_HOST,
@@ -32,7 +32,7 @@ describe('UsersController', () => {
       ],
       controllers: [UsersController],
       providers: [UsersService],
-      exports: [UsersService, TypeOrmModule]
+      exports: [UsersService, TypeOrmModule],
     }).compile();
 
     controller = module.get<UsersController>(UsersController);
@@ -57,16 +57,16 @@ describe('UsersController', () => {
       // Arrange
       const expectedResult = [
         {
-          "id": "3cdce141-d9de-4f7b-b95c-e42acb602167",
-          "userId": "ddd",
-          "oauthId": "iNGxLq4KTWs7A6YCAMkdj76nNbWoW2Q1CO9kPbxbOqg",
-          "oauthType": "naver",
-          "nickname": "jmh",
-          "createdAt": "2023-11-27T14:37:35.955Z",
-          "updatedAt": "2023-11-27T14:45:14.795Z",
-          "deletedAt": null,
-          "stream": null // Add the stream property here
-        }
+          id: '3cdce141-d9de-4f7b-b95c-e42acb602167',
+          userId: 'ddd',
+          oauthId: 'iNGxLq4KTWs7A6YCAMkdj76nNbWoW2Q1CO9kPbxbOqg',
+          oauthType: 'naver',
+          nickname: 'jmh',
+          createdAt: '2023-11-27T14:37:35.955Z',
+          updatedAt: '2023-11-27T14:45:14.795Z',
+          deletedAt: null,
+          stream: null, // Add the stream property here
+        },
       ];
 
       jest.spyOn(service, 'findAll').mockResolvedValue(expectedResult);
diff --git a/server/api-server/src/users/users.controller.ts b/server/api-server/src/users/users.controller.ts
index bea4d03..acbe5b7 100644
--- a/server/api-server/src/users/users.controller.ts
+++ b/server/api-server/src/users/users.controller.ts
@@ -7,10 +7,15 @@ import {
   Param,
   Delete,
   Req,
+  UseGuards,
+  Session,
+  HttpException,
+  HttpStatus,
 } from '@nestjs/common';
 import { UsersService } from './users.service';
 import { CreateUserDto } from './dto/create-user.dto';
 import { UpdateUserDto } from './dto/update-user.dto';
+import { LoggedInGuard } from '../auth/guard/logged-in.guard';
 
 @Controller('users')
 export class UsersController {
@@ -21,6 +26,18 @@ export class UsersController {
     return this.usersService.create(createUserDto);
   }
 
+  @UseGuards(LoggedInGuard)
+  @Get('me')
+  async getUserBySessionId(@Session() session: Record<string, any>) {
+    if (!session.userId) {
+      throw new HttpException('Unauthorized', HttpStatus.UNAUTHORIZED);
+    }
+
+    const user = await this.usersService.findOne(session.userId);
+
+    return { userId: user.userId, nickname: user.nickname };
+  }
+
   @Get()
   findAll() {
     return this.usersService.findAll();
@@ -30,6 +47,7 @@ export class UsersController {
   findOne(@Param('id') id: string) {
     return this.usersService.findOne(id);
   }
+
   @Patch()
   update(@Req() req, @Body() updateUserDto: UpdateUserDto) {
     const id = req.session.userId;
diff --git a/server/api-server/src/users/users.module.ts b/server/api-server/src/users/users.module.ts
index 71413a5..5425033 100644
--- a/server/api-server/src/users/users.module.ts
+++ b/server/api-server/src/users/users.module.ts
@@ -3,15 +3,10 @@ import { UsersService } from './users.service';
 import { UsersController } from './users.controller';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { User } from './entities/user.entity';
-import { AuthModule } from '../auth/auth.module';
 import { StreamsModule } from '../streams/streams.module';
 
 @Module({
-  imports: [
-    TypeOrmModule.forFeature([User]),
-    forwardRef(() => AuthModule),
-    forwardRef(() => StreamsModule),
-  ],
+  imports: [TypeOrmModule.forFeature([User]), forwardRef(() => StreamsModule)],
   controllers: [UsersController],
   providers: [UsersService],
   exports: [UsersService, TypeOrmModule],
diff --git a/server/api-server/src/users/users.service.ts b/server/api-server/src/users/users.service.ts
index ecaa104..7ab16c4 100644
--- a/server/api-server/src/users/users.service.ts
+++ b/server/api-server/src/users/users.service.ts
@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
 import { CreateUserDto } from './dto/create-user.dto';
 import { UpdateUserDto } from './dto/update-user.dto';
 import { InjectRepository } from '@nestjs/typeorm';
@@ -24,8 +24,8 @@ export class UsersService {
     return newUser;
   }
 
-  findAll(): Promise<User[]> {
-    return this.userRepo.find();
+  async findAll() {
+    return await this.userRepo.find();
   }
 
   async findByOAuthId(oauthId: string) {
@@ -35,15 +35,19 @@ export class UsersService {
   }
 
   async findOne(id: string) {
-    return await this.userRepo.findOne({
+    const user = await this.userRepo.findOne({
       where: { id },
     });
+    if (!user || !id) {
+      throw new HttpException('User not found', HttpStatus.NOT_FOUND);
+    }
+    return user;
   }
 
   async update(id: string, updateUserDto: UpdateUserDto) {
     const user = await this.findOne(id);
     if (!user) {
-      throw new Error(`User with id: ${id} not found`);
+      throw new HttpException('User not found', HttpStatus.NOT_FOUND);
     }
 
     for (const key in updateUserDto) {
@@ -57,7 +61,12 @@ export class UsersService {
     return updatedUser;
   }
 
-  remove(id: string) {
-    return `This action removes a #${id} user`;
+  async remove(id: string) {
+    const result = await this.userRepo.softDelete(id);
+    if (!result.affected)
+      throw new HttpException('User not found', HttpStatus.NOT_FOUND);
+    else {
+      return result;
+    }
   }
 }
diff --git a/server/api-server/yarn.lock b/server/api-server/yarn.lock
index d9111fa..a4c32fb 100644
--- a/server/api-server/yarn.lock
+++ b/server/api-server/yarn.lock
@@ -705,6 +705,11 @@
   resolved "https://registry.npmjs.org/@nestjs/axios/-/axios-3.0.1.tgz"
   integrity sha512-VlOZhAGDmOoFdsmewn8AyClAdGpKXQQaY1+3PGB+g6ceurGIdTxZgRX3VXc1T6Zs60PedWjg3A82TDOB05mrzQ==
 
+"@nestjs/cache-manager@^2.1.1":
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/@nestjs/cache-manager/-/cache-manager-2.1.1.tgz#abc042c6ac83400c64fd293b48ddb2dec99f6096"
+  integrity sha512-oYfRys4Ng0zp2HTUPNjH7gizf4vvG3PQZZ+3yGemb3xrF+p3JxDSK0cDq9NTjHzD5UmhjiyAftB9GkuL+t3r9g==
+
 "@nestjs/cli@^10.0.0":
   version "10.2.1"
   resolved "https://registry.npmjs.org/@nestjs/cli/-/cli-10.2.1.tgz"
@@ -1030,6 +1035,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/cookie-parser@^1.4.6":
+  version "1.4.6"
+  resolved "https://registry.yarnpkg.com/@types/cookie-parser/-/cookie-parser-1.4.6.tgz#002643c514cccf883a65cbe044dbdc38c0b92ade"
+  integrity sha512-KoooCrD56qlLskXPLGUiJxOMnv5l/8m7cQD2OxJ73NPMhuSz9PmvwRD6EpjDyKBVrdJDdQ4bQK7JFNHnNmax0w==
+  dependencies:
+    "@types/express" "*"
+
 "@types/cookie@^0.4.1":
   version "0.4.1"
   resolved "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz"