diff --git a/proxy/nginx.conf b/proxy/nginx.conf
index cfe2efe..63543c0 100644
--- a/proxy/nginx.conf
+++ b/proxy/nginx.conf
@@ -24,6 +24,13 @@ http {
     listen 80;
     server_name _;
 
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-Frame-Options "DENY" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+    add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;
+    add_header Cross-Origin-Opener-Policy "same-origin" always;
+    add_header Cross-Origin-Resource-Policy "same-origin" always;
+
     location / {
       root /usr/share/nginx/html;
       try_files $uri $uri/ /index.html;