1. Install a sturdy door frame and quality door. 2. Install a deadbolt lock with at least one inch throwbolt 3. Install a heavy-duty security strike plate with four-inch screws 4. Use high quality Schlage or Kwikset brand locks that are certified by the National Security Agency (NSA) or the Master Locksmiths Association of North America (MLA). 5. Use 3-inch screws to install strike plates on both the interior and exterior of your door frame 6. Install peepholes in your doors so you can see who is outside before opening the door 7. Use a chain or security bar to keep your door from being opened from the inside

There are a few different ways to secure a double front door from burglars. One way is to install a deadbolt on the inside of the door that can only be opened with a key. Another way is to install a security bar on the inside of the door that prevents it from being opened. And finally, you can install a security alarm system that will sound if someone tries to break into your home.