diff --git a/TaxBaik.Web/Program.cs b/TaxBaik.Web/Program.cs
index d9d98d0..19a2382 100644
--- a/TaxBaik.Web/Program.cs
+++ b/TaxBaik.Web/Program.cs
@@ -1,8 +1,11 @@
 using System.IO.Compression;
+using System.Text;
 using System.Text.Encodings.Web;
 using System.Text.Unicode;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Components.Authorization;
 using Microsoft.AspNetCore.ResponseCompression;
+using Microsoft.IdentityModel.Tokens;
 using MudBlazor.Services;
 using TaxBaik.Application;
 using TaxBaik.Infrastructure;
@@ -14,6 +17,26 @@ var builder = WebApplication.CreateBuilder(args);
 builder.Services.AddRazorPages();
 builder.Services.AddRazorComponents().AddInteractiveServerComponents();
 
+// JWT 인증
+var jwtKey = builder.Configuration["Jwt:SecretKey"] ?? throw new InvalidOperationException("Missing JWT SecretKey");
+var key = Encoding.ASCII.GetBytes(jwtKey);
+
+builder.Services.AddAuthentication(opts =>
+{
+    opts.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+    opts.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+})
+.AddJwtBearer(opts =>
+{
+    opts.TokenValidationParameters = new TokenValidationParameters
+    {
+        ValidateIssuerSigningKey = true,
+        IssuerSigningKey = new SymmetricSecurityKey(key),
+        ValidateIssuer = false,
+        ValidateAudience = false
+    };
+});
+
 // Blazor 인증
 builder.Services.AddScoped<AuthService>();
 builder.Services.AddScoped<CustomAuthenticationStateProvider>();
@@ -74,6 +97,7 @@ app.UsePathBase("/taxbaik");
 app.UseResponseCompression();
 app.UseStaticFiles();
 app.UseRouting();
+app.UseAuthentication();
 app.UseAuthorization();
 app.UseAntiforgery();
 
diff --git a/TaxBaik.Web/TaxBaik.Web.csproj b/TaxBaik.Web/TaxBaik.Web.csproj
index 7614ead..92fa684 100644
--- a/TaxBaik.Web/TaxBaik.Web.csproj
+++ b/TaxBaik.Web/TaxBaik.Web.csproj
@@ -16,6 +16,7 @@
     <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.2.1" />
     <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="8.2.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.0" />
   </ItemGroup>
 
 </Project>