diff --git a/src/common/guards/modules.guard.ts b/src/common/guards/modules.guard.ts
index 6ca2907..b4654c5 100644
--- a/src/common/guards/modules.guard.ts
+++ b/src/common/guards/modules.guard.ts
@@ -33,10 +33,12 @@ export class ModulesGuard implements CanActivate {
     if (!user) {
       return false;
     }
-    if (!requiredModules.includes(user.role)) {
-      throw new ForbiddenException(
-        `The role ${user.role} is not authorized to access this resource.`,
-      );
+    for (const module of requiredModules) {
+        if (!user.user_module_access.includes(module)) {
+          throw new ForbiddenException(
+            `The role ${user.role} is not authorized to access this resource.`,
+          );
+        }
     }
     return true;
   }
diff --git a/src/common/mappers/module-access.mapper.ts b/src/common/mappers/module-access.mapper.ts
index fbc7ae7..ec02ade 100644
--- a/src/common/mappers/module-access.mapper.ts
+++ b/src/common/mappers/module-access.mapper.ts
@@ -35,9 +35,8 @@ export const toBooleanFromString = (arr?: readonly string[] | null): Record<Modu
     return result;
 }
 
-export const toStringFromBoolean = (map: Record<Modules, boolean>): Record<Modules, Modules | null> => {
-    return module_list.reduce((acc, mod) => {
-        acc[mod] = map[mod] ? mod : null;
-        return acc;
-    }, {} as Record<Modules, Modules | null>);
+export const toStringFromBoolean = (boolean_module_access: Record<Modules, boolean>): Modules[] => {
+    const access_array = Object.entries(boolean_module_access);
+    const allowed_accesses = access_array.filter(([_key, value]) => value === true);
+    return allowed_accesses.map(([key]) => key as Modules);
 }
\ No newline at end of file
diff --git a/src/identity-and-account/employees/services/employees.service.ts b/src/identity-and-account/employees/services/employees.service.ts
index 4b550ee..0ebaed4 100644
--- a/src/identity-and-account/employees/services/employees.service.ts
+++ b/src/identity-and-account/employees/services/employees.service.ts
@@ -159,10 +159,7 @@ export class EmployeesService {
 
 		let module_access_array: Modules[] = [];
 		if (employee.user.user_module_access) {
-			const stringfy_module_access = toStringFromBoolean(employee.user.user_module_access);
-			module_access_array = module_list
-				.map(mod => stringfy_module_access[mod])
-				.filter((value): value is Modules => value !== null && value !== undefined);
+            module_access_array = toStringFromBoolean(employee.user.user_module_access);
 		}
 
 		let company_name = 'Solucom';
diff --git a/src/identity-and-account/users-management/services/abstract-user.service.ts b/src/identity-and-account/users-management/services/abstract-user.service.ts
index 14092ce..946df80 100644
--- a/src/identity-and-account/users-management/services/abstract-user.service.ts
+++ b/src/identity-and-account/users-management/services/abstract-user.service.ts
@@ -1,5 +1,6 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
-import { Users } from '@prisma/client';
+import { Modules, Users } from '@prisma/client';
+import { toStringFromBoolean } from 'src/common/mappers/module-access.mapper';
 import { PrismaService } from 'src/prisma/prisma.service';
 
 @Injectable()
@@ -26,12 +27,16 @@ export abstract class AbstractUserService {
 		if (!user) {
 			throw new NotFoundException(`No user with email #${email} exists`);
 		}
-		const clean_user = {
+
+        let module_access: Modules[] = [];
+        if (user.user_module_access !== null) module_access = toStringFromBoolean(user.user_module_access);
+		
+        const clean_user = {
 			first_name: user.first_name,
 			last_name: user.last_name,
 			email: user.email,
 			role: user.role,
-			user_module_access: user.user_module_access,
+			user_module_access: module_access,
 		}
 
 		return clean_user;
diff --git a/src/identity-and-account/users-management/user.dto.ts b/src/identity-and-account/users-management/user.dto.ts
new file mode 100644
index 0000000..3b5924a
--- /dev/null
+++ b/src/identity-and-account/users-management/user.dto.ts
@@ -0,0 +1,10 @@
+import { Modules, Roles } from "@prisma/client";
+import { IsArray, IsEmail, IsEnum, IsString } from "class-validator";
+
+export class UserDto {
+    @IsString() first_name!: string;
+    @IsString() last_name!: string;
+    @IsEmail() email!: string;
+    @IsEnum(Roles) role!: string;
+    @IsArray() @IsEnum(Modules, { each: true }) user_module_access!: Modules[];
+}
\ No newline at end of file