diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 8c96cd111f..a7379224a7 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -33,6 +33,7 @@
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         "domino": "^2.1.6",
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@@ -372,6 +373,20 @@
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@@ -6764,6 +6835,20 @@
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       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
-      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "peer": true
     },
     "tuf-js": {
       "version": "4.1.0",
@@ -28649,7 +28802,8 @@
     "typescript": {
       "version": "5.8.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ=="
+      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "peer": true
     },
     "undici-types": {
       "version": "7.16.0",
@@ -28786,6 +28940,7 @@
       "version": "7.1.11",
       "resolved": "https://registry.npmjs.org/vite/-/vite-7.1.11.tgz",
       "integrity": "sha512-uzcxnSDVjAopEUjljkWh8EIrg6tlzrjFUfMcR1EVsRDGwf/ccef0qQPRyOrROwhrTDaApueq+ja+KLPlzR/zdg==",
+      "peer": true,
       "requires": {
         "esbuild": "^0.25.0",
         "fdir": "^6.5.0",
@@ -28805,7 +28960,8 @@
         "picomatch": {
           "version": "4.0.3",
           "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
-          "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q=="
+          "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+          "peer": true
         },
         "tinyglobby": {
           "version": "0.2.15",
@@ -28858,6 +29014,7 @@
       "version": "5.105.0",
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.105.0.tgz",
       "integrity": "sha512-gX/dMkRQc7QOMzgTe6KsYFM7DxeIONQSui1s0n/0xht36HvrgbxtM1xBlgx596NbpHuQU8P7QpKwrZYwUX48nw==",
+      "peer": true,
       "requires": {
         "@types/eslint-scope": "^3.7.7",
         "@types/estree": "^1.0.8",
@@ -28930,6 +29087,7 @@
       "version": "5.2.2",
       "resolved": "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-5.2.2.tgz",
       "integrity": "sha512-QcQ72gh8a+7JO63TAx/6XZf/CWhgMzu5m0QirvPfGvptOusAxG12w2+aua1Jkjr7hzaWDnJ2n6JFeexMHI+Zjg==",
+      "peer": true,
       "requires": {
         "@types/bonjour": "^3.5.13",
         "@types/connect-history-api-fallback": "^1.5.4",
@@ -29314,7 +29472,8 @@
     "zod": {
       "version": "4.1.13",
       "resolved": "https://registry.npmjs.org/zod/-/zod-4.1.13.tgz",
-      "integrity": "sha512-AvvthqfqrAhNH9dnfmrfKzX5upOdjUVJYFqNSlkmGf64gRaTzlPwz99IHYnVs28qYAybvAlBV+H7pn0saFY4Ig=="
+      "integrity": "sha512-AvvthqfqrAhNH9dnfmrfKzX5upOdjUVJYFqNSlkmGf64gRaTzlPwz99IHYnVs28qYAybvAlBV+H7pn0saFY4Ig==",
+      "peer": true
     },
     "zod-to-json-schema": {
       "version": "3.25.1",
@@ -29325,7 +29484,8 @@
     "zone.js": {
       "version": "0.15.1",
       "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.15.1.tgz",
-      "integrity": "sha512-XE96n56IQpJM7NAoXswY3XRLcWFW83xe0BiAOeMD7K5k5xecOeul3Qcpx6GqEeeHNkW5DWL5zOyTbEfB4eti8w=="
+      "integrity": "sha512-XE96n56IQpJM7NAoXswY3XRLcWFW83xe0BiAOeMD7K5k5xecOeul3Qcpx6GqEeeHNkW5DWL5zOyTbEfB4eti8w==",
+      "peer": true
     },
     "zrender": {
       "version": "5.4.4",
diff --git a/frontend/package.json b/frontend/package.json
index b0d3672c86..223ceabe80 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -77,12 +77,13 @@
     "@fortawesome/fontawesome-svg-core": "~6.7.2",
     "@fortawesome/free-solid-svg-icons": "~6.7.2",
     "@ng-bootstrap/ng-bootstrap": "^19.0.0",
-    "@types/qrcode": "~1.5.0",
     "@noble/secp256k1": "^3.0.0",
+    "@types/qrcode": "~1.5.0",
     "bootstrap": "~4.6.2",
     "clipboard": "^2.0.11",
     "domino": "^2.1.6",
     "echarts": "~5.4.0",
+    "helmet": "8.1.0",
     "ngx-echarts": "~20.0.2",
     "ngx-infinite-scroll": "^20.0.0",
     "qrcode": "1.5.1",
@@ -96,8 +97,8 @@
     "@types/node": "^24.9.2",
     "@typescript-eslint/eslint-plugin": "^8.46.2",
     "@typescript-eslint/parser": "^8.46.2",
-    "eslint": "^9.39.0",
     "browser-sync": "^3.0.3",
+    "eslint": "^9.39.0",
     "http-proxy-middleware": "~2.0.6",
     "prettier": "^3.0.0",
     "source-map-support": "^0.5.21",
diff --git a/frontend/server.run.ts b/frontend/server.run.ts
index 692af70231..6d286c11cf 100644
--- a/frontend/server.run.ts
+++ b/frontend/server.run.ts
@@ -4,6 +4,7 @@ import * as domino from 'domino';
 import * as express from 'express';
 import * as fs from 'fs';
 import * as path from 'path';
+import * as helmet from 'helmet';
 
 const {readFileSync, existsSync} = require('fs');
 const {createProxyMiddleware} = require('http-proxy-middleware');
@@ -55,6 +56,7 @@ function getActiveLocales() {
 
 function app() {
   const server = express();
+  server.use(helmet());
 
   // proxy websocket
   server.get('/api/v1/ws', createProxyMiddleware({