diff --git a/frontend/src/components/content-card.tsx b/frontend/src/components/content-card.tsx
index c250cff..778a2ad 100644
--- a/frontend/src/components/content-card.tsx
+++ b/frontend/src/components/content-card.tsx
@@ -3,6 +3,7 @@
 import {
 	Edit,
 	Eye,
+	Flag,
 	Heart,
 	MoreHorizontal,
 	Share2,
@@ -34,6 +35,7 @@ import { useAuth } from "@/providers/auth-provider";
 import { ContentService } from "@/services/content.service";
 import { FavoriteService } from "@/services/favorite.service";
 import type { Content } from "@/types/content";
+import { ReportDialog } from "./report-dialog";
 import { UserContentEditDialog } from "./user-content-edit-dialog";
 
 interface ContentCardProps {
@@ -49,6 +51,7 @@ export function ContentCard({ content, onUpdate }: ContentCardProps) {
 	const [isLiked, setIsLiked] = React.useState(content.isLiked || false);
 	const [likesCount, setLikesCount] = React.useState(content.favoritesCount);
 	const [editDialogOpen, setEditDialogOpen] = React.useState(false);
+	const [reportDialogOpen, setReportDialogOpen] = React.useState(false);
 
 	const isAuthor = user?.uuid === content.authorId;
 	const isVideo = !content.mimeType.startsWith("image/");
@@ -188,6 +191,12 @@ export function ContentCard({ content, onUpdate }: ContentCardProps) {
 									<Share2 className="h-4 w-4 mr-2" />
 									Partager
 								</DropdownMenuItem>
+								{!isAuthor && (
+									<DropdownMenuItem onClick={() => setReportDialogOpen(true)}>
+										<Flag className="h-4 w-4 mr-2" />
+										Signaler
+									</DropdownMenuItem>
+								)}
 							</DropdownMenuContent>
 						</DropdownMenu>
 					</div>
diff --git a/frontend/src/components/report-dialog.tsx b/frontend/src/components/report-dialog.tsx
new file mode 100644
index 0000000..666ccb8
--- /dev/null
+++ b/frontend/src/components/report-dialog.tsx
@@ -0,0 +1,117 @@
+"use client";
+
+import { useState } from "react";
+import { toast } from "sonner";
+import { Button } from "@/components/ui/button";
+import {
+	Dialog,
+	DialogContent,
+	DialogDescription,
+	DialogFooter,
+	DialogHeader,
+	DialogTitle,
+} from "@/components/ui/dialog";
+import { Label } from "@/components/ui/label";
+import {
+	Select,
+	SelectContent,
+	SelectItem,
+	SelectTrigger,
+	SelectValue,
+} from "@/components/ui/select";
+import { Textarea } from "@/components/ui/textarea";
+import { ReportReason, ReportService } from "@/services/report.service";
+
+interface ReportDialogProps {
+	contentId?: string;
+	tagId?: string;
+	open: boolean;
+	onOpenChange: (open: boolean) => void;
+}
+
+export function ReportDialog({
+	contentId,
+	tagId,
+	open,
+	onOpenChange,
+}: ReportDialogProps) {
+	const [reason, setReason] = useState<ReportReason>(ReportReason.INAPPROPRIATE);
+	const [description, setDescription] = useState("");
+	const [isSubmitting, setIsSubmitting] = useState(false);
+
+	const handleSubmit = async () => {
+		setIsSubmitting(true);
+		try {
+			await ReportService.create({
+				contentId,
+				tagId,
+				reason,
+				description,
+			});
+			toast.success("Signalement envoyé avec succès. Merci de nous aider à maintenir la communauté sûre.");
+			onOpenChange(false);
+			setDescription("");
+		} catch (error) {
+			toast.error("Erreur lors de l'envoi du signalement.");
+		} finally {
+			setIsSubmitting(false);
+		}
+	};
+
+	return (
+		<Dialog open={open} onOpenChange={onOpenChange}>
+			<DialogContent className="sm:max-w-[425px]">
+				<DialogHeader>
+					<DialogTitle>Signaler le contenu</DialogTitle>
+					<DialogDescription>
+						Pourquoi signalez-vous ce contenu ? Un modérateur examinera votre demande.
+					</DialogDescription>
+				</DialogHeader>
+				<div className="grid gap-4 py-4">
+					<div className="grid gap-2">
+						<Label htmlFor="reason">Raison</Label>
+						<Select
+							value={reason}
+							onValueChange={(value) => setReason(value as ReportReason)}
+						>
+							<SelectTrigger id="reason">
+								<SelectValue placeholder="Sélectionnez une raison" />
+							</SelectTrigger>
+							<SelectContent>
+								<SelectItem value={ReportReason.INAPPROPRIATE}>Inapproprié</SelectItem>
+								<SelectItem value={ReportReason.SPAM}>Spam</SelectItem>
+								<SelectItem value={ReportReason.COPYRIGHT}>Droit d'auteur</SelectItem>
+								<SelectItem value={ReportReason.OTHER}>Autre</SelectItem>
+							</SelectContent>
+						</Select>
+					</div>
+					<div className="grid gap-2">
+						<Label htmlFor="description">Description (optionnelle)</Label>
+						<Textarea
+							id="description"
+							placeholder="Détaillez votre signalement..."
+							value={description}
+							onChange={(e) => setDescription(e.target.value)}
+						/>
+					</div>
+				</div>
+				<DialogFooter>
+					<Button
+						variant="outline"
+						onClick={() => onOpenChange(false)}
+						disabled={isSubmitting}
+					>
+						Annuler
+					</Button>
+					<Button
+						variant="destructive"
+						onClick={handleSubmit}
+						disabled={isSubmitting}
+					>
+						{isSubmitting ? "Envoi..." : "Signaler"}
+					</Button>
+				</DialogFooter>
+			</DialogContent>
+		</Dialog>
+	);
+}
diff --git a/frontend/src/services/admin.service.ts b/frontend/src/services/admin.service.ts
index 2546254..d53dc3c 100644
--- a/frontend/src/services/admin.service.ts
+++ b/frontend/src/services/admin.service.ts
@@ -1,4 +1,5 @@
 import api from "@/lib/api";
+import type { Report, ReportStatus } from "./report.service";
 
 export interface AdminStats {
 	users: number;
@@ -11,4 +12,21 @@ export const adminService = {
 		const response = await api.get("/admin/stats");
 		return response.data;
 	},
+
+	getReports: async (limit = 10, offset = 0): Promise<Report[]> => {
+		const response = await api.get("/reports", { params: { limit, offset } });
+		return response.data;
+	},
+
+	updateReportStatus: async (reportId: string, status: ReportStatus): Promise<void> => {
+		await api.patch(`/reports/${reportId}/status`, { status });
+	},
+
+	deleteUser: async (userId: string): Promise<void> => {
+		await api.delete(`/users/${userId}`);
+	},
+
+	updateUser: async (userId: string, data: any): Promise<void> => {
+		await api.patch(`/users/admin/${userId}`, data);
+	},
 };
diff --git a/frontend/src/services/auth.service.ts b/frontend/src/services/auth.service.ts
index 32b10fb..3d1a3e8 100644
--- a/frontend/src/services/auth.service.ts
+++ b/frontend/src/services/auth.service.ts
@@ -1,5 +1,5 @@
 import api from "@/lib/api";
-import type { LoginResponse, RegisterPayload } from "@/types/auth";
+import type { LoginResponse, RegisterPayload, TwoFactorSetupResponse } from "@/types/auth";
 
 export const AuthService = {
 	async login(email: string, password: string): Promise<LoginResponse> {
@@ -10,6 +10,14 @@ export const AuthService = {
 		return data;
 	},
 
+	async verify2fa(userId: string, token: string): Promise<LoginResponse> {
+		const { data } = await api.post<LoginResponse>("/auth/verify-2fa", {
+			userId,
+			token,
+		});
+		return data;
+	},
+
 	async register(payload: RegisterPayload): Promise<void> {
 		await api.post("/auth/register", payload);
 	},
@@ -21,4 +29,17 @@ export const AuthService = {
 	async refresh(): Promise<void> {
 		await api.post("/auth/refresh");
 	},
+
+	async setup2fa(): Promise<TwoFactorSetupResponse> {
+		const { data } = await api.post<TwoFactorSetupResponse>("/users/me/2fa/setup");
+		return data;
+	},
+
+	async enable2fa(token: string): Promise<void> {
+		await api.post("/users/me/2fa/enable", { token });
+	},
+
+	async disable2fa(token: string): Promise<void> {
+		await api.post("/users/me/2fa/disable", { token });
+	},
 };
diff --git a/frontend/src/services/report.service.ts b/frontend/src/services/report.service.ts
new file mode 100644
index 0000000..cfcfb81
--- /dev/null
+++ b/frontend/src/services/report.service.ts
@@ -0,0 +1,40 @@
+import api from "@/lib/api";
+
+export enum ReportReason {
+	INAPPROPRIATE = "inappropriate",
+	SPAM = "spam",
+	COPYRIGHT = "copyright",
+	OTHER = "other",
+}
+
+export enum ReportStatus {
+	PENDING = "pending",
+	REVIEWED = "reviewed",
+	RESOLVED = "resolved",
+	DISMISSED = "dismissed",
+}
+
+export interface CreateReportPayload {
+	contentId?: string;
+	tagId?: string;
+	reason: ReportReason;
+	description?: string;
+}
+
+export interface Report {
+	uuid: string;
+	reporterId: string;
+	contentId?: string;
+	tagId?: string;
+	reason: ReportReason;
+	description?: string;
+	status: ReportStatus;
+	createdAt: string;
+	updatedAt: string;
+}
+
+export const ReportService = {
+	async create(payload: CreateReportPayload): Promise<void> {
+		await api.post("/reports", payload);
+	},
+};
diff --git a/frontend/src/types/auth.ts b/frontend/src/types/auth.ts
index 0056339..7ccdadd 100644
--- a/frontend/src/types/auth.ts
+++ b/frontend/src/types/auth.ts
@@ -1,6 +1,8 @@
 export interface LoginResponse {
 	message: string;
-	userId: string;
+	userId?: string;
+	access_token?: string;
+	refresh_token?: string;
 }
 
 export interface RegisterPayload {
@@ -17,6 +19,12 @@ export interface AuthStatus {
 		username: string;
 		displayName?: string;
 		avatarUrl?: string;
+		role?: string;
 	};
 	isLoading: boolean;
 }
+
+export interface TwoFactorSetupResponse {
+	qrCodeUrl: string;
+	secret: string;
+}