diff --git a/app/src/main/java/me/khodak/claudeusage/LoginActivity.kt b/app/src/main/java/me/khodak/claudeusage/LoginActivity.kt
index f223c17..450bdfc 100644
--- a/app/src/main/java/me/khodak/claudeusage/LoginActivity.kt
+++ b/app/src/main/java/me/khodak/claudeusage/LoginActivity.kt
@@ -75,6 +75,15 @@ class LoginActivity : AppCompatActivity() {
                 databaseEnabled = false
                 javaScriptCanOpenWindowsAutomatically = false
                 setSupportMultipleWindows(false)
+                // Hardening: this WebView holds the claude.ai session, so lock down every path a
+                // page could use to reach the device. None of these affect the login flow.
+                allowFileAccess = false
+                allowContentAccess = false
+                @Suppress("DEPRECATION")
+                allowFileAccessFromFileURLs = false
+                @Suppress("DEPRECATION")
+                allowUniversalAccessFromFileURLs = false
+                setGeolocationEnabled(false)
                 // Standard Android Chrome UA — less suspicious than desktop
                 userAgentString = "Mozilla/5.0 (Linux; Android 13; Pixel 7) " +
                     "AppleWebKit/537.36 (KHTML, like Gecko) " +