Wrap Aluminum Foil Around Your Door Handle Before Bed — A Surprisingly Effective Security Trick

• changes—perfect for renters or travelers.
• Affordable: Aluminum foil is cheap, widely available, and probably already in your kitchen.
• Reliable: No batteries, Wi-Fi, or apps needed. Works even during outages.

The Bigger Picture

Critics may dismiss it as unsophisticated, but that misses the point. Security often fails because of complacency, not missing hardware. Wrapping foil encourages a conscious check of your door, building habits of observation that lower risk.

For frequent travelers, it’s especially useful: wrap the handle before leaving, and you’ll know immediately if someone touched your door while you