diff --git a/backend/tests/integration/api/security/participant-security.test.ts b/backend/tests/integration/api/security/participant-security.test.ts
new file mode 100644
index 0000000..4c2d611
--- /dev/null
+++ b/backend/tests/integration/api/security/participant-security.test.ts
@@ -0,0 +1,396 @@
+import request from 'supertest';
+import { describe, it, expect, beforeAll, afterAll } from '@jest/globals';
+import { Express } from 'express';
+import { startTestServer, stopTestServer } from '../../../utils/server-setup.js';
+import { AuthMode, AuthType } from '../../../../src/typings/ce/index.js';
+
+const BASE_URL = '/meet/api/v1';
+const INTERNAL_BASE_URL = '/meet/internal-api/v1';
+const PARTICIPANTS_URL = `${INTERNAL_BASE_URL}/participants`;
+
+const API_KEY_HEADER = 'X-API-Key';
+const API_KEY = 'meet-api-key';
+
+const EXPIRATION_DATE = 1772129829000;
+const PARTICIPANT_NAME = 'testParticipant';
+
+describe('Participant API Security Tests', () => {
+	let app: Express;
+
+	let userCookie: string;
+
+	let roomId: string;
+	let moderatorSecret: string;
+	let publisherSecret: string;
+
+	const changeSecurityPreferences = async (authMode: AuthMode) => {
+		await request(app)
+			.put(`${BASE_URL}/preferences/security`)
+			.set(API_KEY_HEADER, API_KEY)
+			.send({
+				authentication: {
+					authMode: authMode,
+					method: {
+						type: AuthType.SINGLE_USER
+					}
+				}
+			});
+	};
+
+	const loginUser = async (username: string, password: string): Promise<string> => {
+		const response = await request(app)
+			.post(`${INTERNAL_BASE_URL}/auth/login`)
+			.send({
+				username,
+				password
+			})
+			.expect(200);
+
+		const cookies = response.headers['set-cookie'] as unknown as string[];
+		const accessTokenCookie = cookies.find((cookie) => cookie.startsWith('OvMeetAccessToken=')) as string;
+		return accessTokenCookie;
+	};
+
+	const extractSecretByRoomUrl = (urlString: string, type: string): string => {
+		const url = new URL(urlString);
+		const secret = url.searchParams.get('secret');
+
+		if (!secret) throw new Error(`${type} secret not found`);
+
+		return secret;
+	};
+
+	beforeAll(async () => {
+		app = await startTestServer();
+
+		// Get access token cookie for user
+		userCookie = await loginUser('user', 'user');
+
+		// Create a room and extract the roomId
+		const response = await request(app).post(`${BASE_URL}/rooms`).set(API_KEY_HEADER, API_KEY).send({
+			expirationDate: EXPIRATION_DATE
+		});
+		roomId = response.body.roomId;
+
+		// Extract the moderator and publisher secrets from the room URL
+		const { moderatorRoomUrl, publisherRoomUrl } = response.body;
+		moderatorSecret = extractSecretByRoomUrl(moderatorRoomUrl, 'Moderator');
+		publisherSecret = extractSecretByRoomUrl(publisherRoomUrl, 'Publisher');
+	});
+
+	afterAll(async () => {
+		// Clean up created rooms
+		const roomsResponse = await request(app).get(`${BASE_URL}/rooms`).set(API_KEY_HEADER, API_KEY);
+
+		for (const room of roomsResponse.body) {
+			await request(app).delete(`${BASE_URL}/rooms/${room.roomId}`).set(API_KEY_HEADER, API_KEY);
+		}
+
+		await stopTestServer();
+	}, 20000);
+
+	describe('Generate Participant Token Tests', () => {
+		it('should succeed when no authentication is required and participant is publisher', async () => {
+			await changeSecurityPreferences(AuthMode.NONE);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: publisherSecret
+			});
+			expect(response.status).toBe(200);
+		});
+
+		it('should succeed when no authentication is required and participant is moderator', async () => {
+			await changeSecurityPreferences(AuthMode.NONE);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: moderatorSecret
+			});
+			expect(response.status).toBe(200);
+		});
+
+		it('should succeed when authentication is required for moderator and participant is publisher', async () => {
+			await changeSecurityPreferences(AuthMode.MODERATORS_ONLY);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: publisherSecret
+			});
+			expect(response.status).toBe(200);
+		});
+
+		it('should succeed when authentication is required for moderator, participant is moderator and authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.MODERATORS_ONLY);
+
+			const response = await request(app)
+				.post(`${PARTICIPANTS_URL}/token`)
+				.set('Cookie', userCookie)
+				.send({
+					roomId,
+					participantName: PARTICIPANT_NAME,
+					secret: moderatorSecret
+				});
+			expect(response.status).toBe(200);
+		});
+
+		it('should fail when authentication is required for moderator and participant is moderator but not authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.MODERATORS_ONLY);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: moderatorSecret
+			});
+			expect(response.status).toBe(401);
+		});
+
+		it('should succeed when authentication is required for all users, participant is publisher and authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.ALL_USERS);
+
+			const response = await request(app)
+				.post(`${PARTICIPANTS_URL}/token`)
+				.set('Cookie', userCookie)
+				.send({
+					roomId,
+					participantName: PARTICIPANT_NAME,
+					secret: publisherSecret
+				});
+			expect(response.status).toBe(200);
+		});
+
+		it('should fail when authentication is required for all users and participant is publisher but not authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.ALL_USERS);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: publisherSecret
+			});
+			expect(response.status).toBe(401);
+		});
+
+		it('should succeed when authentication is required for all users, participant is moderator and authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.ALL_USERS);
+
+			const response = await request(app)
+				.post(`${PARTICIPANTS_URL}/token`)
+				.set('Cookie', userCookie)
+				.send({
+					roomId,
+					participantName: PARTICIPANT_NAME,
+					secret: moderatorSecret
+				});
+			expect(response.status).toBe(200);
+		});
+
+		it('should fail when authentication is required for all users and participant is moderator but not authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.ALL_USERS);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: moderatorSecret
+			});
+			expect(response.status).toBe(401);
+		});
+	});
+
+	describe('Refresh Participant Token Tests', () => {
+		it('should succeed when no authentication is required and participant is publisher', async () => {
+			await changeSecurityPreferences(AuthMode.NONE);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token/refresh`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: publisherSecret
+			});
+
+			// The response code should be 404 to consider a success because there is no real participant inside the room
+			expect(response.status).toBe(404);
+		});
+
+		it('should succeed when no authentication is required and participant is moderator', async () => {
+			await changeSecurityPreferences(AuthMode.NONE);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token/refresh`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: moderatorSecret
+			});
+
+			// The response code should be 404 to consider a success because there is no real participant inside the room
+			expect(response.status).toBe(404);
+		});
+
+		it('should succeed when authentication is required for moderator and participant is publisher', async () => {
+			await changeSecurityPreferences(AuthMode.MODERATORS_ONLY);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token/refresh`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: publisherSecret
+			});
+
+			// The response code should be 404 to consider a success because there is no real participant inside the room
+			expect(response.status).toBe(404);
+		});
+
+		it('should succeed when authentication is required for moderator, participant is moderator and authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.MODERATORS_ONLY);
+
+			const response = await request(app)
+				.post(`${PARTICIPANTS_URL}/token/refresh`)
+				.set('Cookie', userCookie)
+				.send({
+					roomId,
+					participantName: PARTICIPANT_NAME,
+					secret: moderatorSecret
+				});
+
+			// The response code should be 404 to consider a success because there is no real participant inside the room
+			expect(response.status).toBe(404);
+		});
+
+		it('should fail when authentication is required for moderator and participant is moderator but not authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.MODERATORS_ONLY);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token/refresh`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: moderatorSecret
+			});
+			expect(response.status).toBe(401);
+		});
+
+		it('should succeed when authentication is required for all users, participant is publisher and authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.ALL_USERS);
+
+			const response = await request(app)
+				.post(`${PARTICIPANTS_URL}/token/refresh`)
+				.set('Cookie', userCookie)
+				.send({
+					roomId,
+					participantName: PARTICIPANT_NAME,
+					secret: publisherSecret
+				});
+
+			// The response code should be 404 to consider a success because there is no real participant inside the room
+			expect(response.status).toBe(404);
+		});
+
+		it('should fail when authentication is required for all users and participant is publisher but not authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.ALL_USERS);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token/refresh`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: publisherSecret
+			});
+			expect(response.status).toBe(401);
+		});
+
+		it('should succeed when authentication is required for all users, participant is moderator and authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.ALL_USERS);
+
+			const response = await request(app)
+				.post(`${PARTICIPANTS_URL}/token/refresh`)
+				.set('Cookie', userCookie)
+				.send({
+					roomId,
+					participantName: PARTICIPANT_NAME,
+					secret: moderatorSecret
+				});
+
+			// The response code should be 404 to consider a success because there is no real participant inside the room
+			expect(response.status).toBe(404);
+		});
+
+		it('should fail when authentication is required for all users and participant is moderator but not authenticated', async () => {
+			await changeSecurityPreferences(AuthMode.ALL_USERS);
+
+			const response = await request(app).post(`${PARTICIPANTS_URL}/token/refresh`).send({
+				roomId,
+				participantName: PARTICIPANT_NAME,
+				secret: moderatorSecret
+			});
+			expect(response.status).toBe(401);
+		});
+	});
+
+	describe('Delete Participant Tests', () => {
+		let moderatorCookie: string;
+		let publisherCookie: string;
+
+		const generateParticipantToken = async (
+			roomId: string,
+			participantName: string,
+			secret: string
+		): Promise<string> => {
+			// Disable authentication to generate the token
+			await changeSecurityPreferences(AuthMode.NONE);
+
+			// Generate the participant token
+			const response = await request(app)
+				.post(`${PARTICIPANTS_URL}/token`)
+				.send({
+					roomId,
+					participantName,
+					secret
+				})
+				.expect(200);
+
+			// Return the participant token cookie
+			const cookies = response.headers['set-cookie'] as unknown as string[];
+			const participantTokenCookie = cookies.find((cookie) =>
+				cookie.startsWith('OvMeetParticipantToken=')
+			) as string;
+			return participantTokenCookie;
+		};
+
+		beforeAll(async () => {
+			// Generate participant tokens for the room and extract the cookies
+			moderatorCookie = await generateParticipantToken(roomId, 'Moderator', moderatorSecret);
+			publisherCookie = await generateParticipantToken(roomId, 'Publisher', publisherSecret);
+		});
+
+		it('should succeed when participant is moderator', async () => {
+			const response = await request(app)
+				.delete(`${PARTICIPANTS_URL}/${PARTICIPANT_NAME}`)
+				.query({ roomId })
+				.set('Cookie', moderatorCookie);
+
+			// The response code should be 404 to consider a success because there is no real participant inside the room
+			expect(response.status).toBe(404);
+		});
+
+		it('should fail when participant is moderator of a different room', async () => {
+			// Create a new room to get a different roomId
+			const roomResponse = await request(app).post(`${BASE_URL}/rooms`).set(API_KEY_HEADER, API_KEY).send({
+				expirationDate: EXPIRATION_DATE
+			});
+			const newRoomId = roomResponse.body.roomId;
+
+			// Extract the moderator secret and generate a participant token for the new room
+			const newModeratorSecret = extractSecretByRoomUrl(roomResponse.body.moderatorRoomUrl, 'Moderator');
+			const newModeratorCookie = await generateParticipantToken(newRoomId, 'Moderator', newModeratorSecret);
+
+			const response = await request(app)
+				.delete(`${PARTICIPANTS_URL}/${PARTICIPANT_NAME}`)
+				.query({ roomId })
+				.set('Cookie', newModeratorCookie);
+			expect(response.status).toBe(403);
+		});
+
+		it('should fail when participant is publisher', async () => {
+			const response = await request(app)
+				.delete(`${PARTICIPANTS_URL}/${PARTICIPANT_NAME}`)
+				.query({ roomId })
+				.set('Cookie', publisherCookie);
+			expect(response.status).toBe(403);
+		});
+	});
+});