diff --git a/package.json b/package.json
index ef1d31e..875ab73 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "@nestjs/common": "11.0.1",
     "@nestjs/config": "4.0.2",
     "@nestjs/core": "11.0.1",
+    "@nestjs/passport": "11.0.5",
     "@nestjs/platform-express": "11.0.1",
     "@prisma/client": "6.14.0",
     "axios": "1.12.0",
@@ -30,6 +31,9 @@
     "class-transformer": "0.5.1",
     "class-validator": "0.14.2",
     "dayjs": "1.11.13",
+    "jwks-rsa": "3.2.0",
+    "passport": "0.7.0",
+    "passport-jwt": "4.0.1",
     "reflect-metadata": "0.2.2",
     "rxjs": "7.8.1"
   },
diff --git a/src/app.module.ts b/src/app.module.ts
index d9c6a4b..f4fef17 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -12,7 +12,7 @@ import { LoggerMiddleware } from './middleware/logger.middleware';
 
 @Module({
   imports: [
-    ConfigModule.forRoot({ isGlobal: true }),
+    ConfigModule.forRoot(),
     PrismaModule,
     VideosModule,
     AuthModule,
diff --git a/src/auth/auth.module.ts b/src/auth/auth.module.ts
index b8219aa..358d9d1 100644
--- a/src/auth/auth.module.ts
+++ b/src/auth/auth.module.ts
@@ -1,10 +1,11 @@
 import { Module } from '@nestjs/common';
 import { AuthService } from './auth.service';
 import { AuthController } from './auth.controller';
+import { KeycloakJwtStrategy } from './keycloak.strategy';
 
 @Module({
   controllers: [AuthController],
-  providers: [AuthService],
+  providers: [AuthService, KeycloakJwtStrategy],
   exports: [AuthService],
 })
 export class AuthModule {}
diff --git a/src/auth/auth.service.ts b/src/auth/auth.service.ts
index a48cee0..ea1f26e 100644
--- a/src/auth/auth.service.ts
+++ b/src/auth/auth.service.ts
@@ -10,8 +10,7 @@ import LoginResponseDto from './dto/loginResponse.dto';
 export class AuthService {
   private readonly keycloakUrl =
     'https://auth.clipperia.com.br/realms/clipperia/protocol/openid-connect';
-  private readonly clientId = 'usuarios';
-  private readonly clientSecret = process.env.KEYCLOAK_CLIENT_SECRET;
+  private readonly clientId = 'account';
 
   private readonly keycloakApi = axios.create({
     baseURL: this.keycloakUrl,
@@ -29,10 +28,6 @@ export class AuthService {
         password: loginDto.password,
       });
 
-      if (this.clientSecret) {
-        params.append('client_secret', this.clientSecret);
-      }
-
       const { data } = await this.keycloakApi.post<LoginResponseDto>(
         '/token',
         params,
@@ -56,10 +51,6 @@ export class AuthService {
         refresh_token: refreshToken,
       });
 
-      if (this.clientSecret) {
-        data.append('client_secret', this.clientSecret);
-      }
-
       await this.keycloakApi.post('/logout', data);
     } catch (error) {
       if (isAxiosError(error)) {
@@ -72,8 +63,6 @@ export class AuthService {
   }
 
   async refreshToken(refreshToken: string) {
-    console.log(refreshToken);
-
     try {
       const params = new URLSearchParams({
         client_id: this.clientId,
@@ -81,10 +70,6 @@ export class AuthService {
         refresh_token: refreshToken,
       });
 
-      if (this.clientSecret) {
-        params.append('client_secret', this.clientSecret);
-      }
-
       const { data } = await this.keycloakApi.post<LoginResponseDto>(
         '/token',
         params,
diff --git a/src/auth/keycloak-auth.guard.ts b/src/auth/keycloak-auth.guard.ts
new file mode 100644
index 0000000..c256b68
--- /dev/null
+++ b/src/auth/keycloak-auth.guard.ts
@@ -0,0 +1,18 @@
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+import { AuthGuard } from '@nestjs/passport';
+import type { JwtPayload } from './keycloak.strategy';
+
+@Injectable()
+export class KeycloakAuthGuard extends AuthGuard('jwt') {
+  handleRequest(err: unknown, user: JwtPayload): JwtPayload {
+    if (err || !user) {
+      if (err instanceof UnauthorizedException) {
+        throw err;
+      }
+
+      throw new UnauthorizedException('Usuário não autenticado');
+    }
+
+    return user;
+  }
+}
diff --git a/src/auth/keycloak.strategy.ts b/src/auth/keycloak.strategy.ts
new file mode 100644
index 0000000..d32b9ec
--- /dev/null
+++ b/src/auth/keycloak.strategy.ts
@@ -0,0 +1,54 @@
+import { Injectable } from '@nestjs/common';
+import { PassportStrategy } from '@nestjs/passport';
+import { ExtractJwt, Strategy } from 'passport-jwt';
+import * as jwksRsa from 'jwks-rsa';
+
+export type JwtAudience = string | string[] | undefined;
+export interface JwtRealmAccess {
+  roles: string[];
+}
+export interface JwtResourceAccessEntry {
+  roles: string[];
+}
+export type JwtResourceAccess =
+  | Record<string, JwtResourceAccessEntry>
+  | undefined;
+export interface JwtPayload {
+  sub: string;
+  email?: string;
+  preferred_username?: string;
+  given_name?: string;
+  family_name?: string;
+  scope?: string;
+  realm_access?: JwtRealmAccess;
+  resource_access?: JwtResourceAccess;
+  iat: number;
+  exp: number;
+  iss: string;
+  aud?: JwtAudience;
+  [claim: string]: unknown;
+}
+
+@Injectable()
+export class KeycloakJwtStrategy extends PassportStrategy(Strategy, 'jwt') {
+  constructor() {
+    super({
+      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
+      secretOrKeyProvider: jwksRsa.passportJwtSecret({
+        cache: true,
+        rateLimit: true,
+        jwksRequestsPerMinute: 5,
+        jwksUri:
+          'https://auth.clipperia.com.br/realms/clipperia/protocol/openid-connect/certs',
+      }),
+      algorithms: ['RS256'],
+      audience: 'account',
+      issuer: 'https://auth.clipperia.com.br/realms/clipperia',
+      ignoreExpiration: false,
+    });
+  }
+
+  validate(payload: JwtPayload): JwtPayload {
+    return payload;
+  }
+}
diff --git a/src/videos/videos.controller.ts b/src/videos/videos.controller.ts
index f6a1bfa..6ae92b9 100644
--- a/src/videos/videos.controller.ts
+++ b/src/videos/videos.controller.ts
@@ -6,6 +6,7 @@ import {
   Delete,
   Body,
   Query,
+  UseGuards,
 } from '@nestjs/common';
 import { videos, Prisma, video_situation } from 'generated/prisma';
 
@@ -13,12 +14,14 @@ import { VideosService } from './videos.service';
 import { VideoResponseDto } from './dto/video-response.dto';
 import { PaginatedQueryDto, PaginatedResponse } from '../shared/dto/paginated';
 import { EBooleanPipe } from '../shared/pipe';
+import { KeycloakAuthGuard } from '../auth/keycloak-auth.guard';
 
 @Controller('videos')
 export class VideosController {
   constructor(private readonly videosService: VideosService) {}
 
   @Get()
+  @UseGuards(KeycloakAuthGuard)
   async list(
     @Query() query: PaginatedQueryDto,
     @Query('situation') situation?: video_situation,