diff --git a/nginx.conf b/nginx.conf
index f9e1960..1539216 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -35,6 +35,9 @@ http {
 
         root /usr/share/nginx/html;
 
+        # Content Security Policy for AWS migration: emit from origin instead of ingress annotations
+        add_header Content-Security-Policy "default-src 'self' https://*.isaaccomputerscience.org https://www.youtube-nocookie.com https://www.youtube.com https://api.github.com; object-src 'none'; frame-src 'self' https://*.isaaccomputerscience.org https://www.youtube-nocookie.com; img-src 'self' data: https://*.isaaccomputerscience.org https://*.tile.openstreetmap.org https://developers.google.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://*.isaaccomputerscience.org https://fonts.gstatic.com;" always;
+
         location /static {
             # Strongly cache these things for at least 30 days
             add_header Cache-Control "public, max-age=2592000, no-transform";