diff --git a/lib/core/app_protection.sh b/lib/core/app_protection.sh
index 5822c6a..12d2ae8 100755
--- a/lib/core/app_protection.sh
+++ b/lib/core/app_protection.sh
@@ -414,6 +414,10 @@ readonly DATA_PROTECTED_BUNDLES=(
     "tv.plex.player.desktop"   # Plex
     "com.netease.163music"     # NetEase Music
 
+    # Web Browsers (protect complex storage like IndexedDB, localStorage)
+    "Firefox"               # Firefox Application Support
+    "org.mozilla.*"         # Firefox bundle IDs
+
     # License Management & App Stores
     "com.paddle.Paddle*"          # Paddle (license management)
     "com.setapp.DesktopClient"    # Setapp