Is Your Automatic Garage Door Vulnerable to Theft?

Rabia Tingat • March 24, 2025

Garage doors are a common entry point for burglars, making security a top concern for homeowners. With the increasing popularity of automatic garage doors, many people wonder whether these high-tech systems are truly secure or if thieves can find a way to break in. The answer isn’t straightforward—while modern garage doors come with enhanced security features, they are not entirely theft-proof. In this article, we’ll explore how thieves might attempt to open an automatic garage door, common vulnerabilities, and effective ways to protect your home.


Are Automatic Garage Doors Secure?


Automatic garage doors are generally more secure than traditional manual doors because they use advanced rolling code technology and motorized locking mechanisms. However, no system is completely foolproof. Criminals have developed various methods to bypass garage door security, making it essential for homeowners to take additional protective measures.


How Thieves Can Open an Automatic Garage Door


1. Code Grabbing and Hacking

Older garage door openers used fixed codes, which made them vulnerable to code grabbing. Thieves with radio frequency (RF) scanners could intercept and replicate the signal from a remote control, allowing them to gain unauthorized access.

Newer models use rolling code technology, which generates a new code every time the remote is used, making it nearly impossible for thieves to replicate. However, sophisticated hackers with high-tech equipment may still attempt to break into wireless keypads or smart garage door systems.


2. Using a Coat Hanger or Wire Hook

One of the most common burglary methods is called the "6-second garage door break-in." Thieves insert a coat hanger or a wire hook through the small gap at the top of the garage door. They then pull the emergency release cord, which disconnects the garage door from the opener, allowing them to lift it manually.

This technique is effective on older garage door models that lack security features to prevent unauthorized manual opening.


3. Hacking Smart Garage Door Systems

Many homeowners now use Wi-Fi-enabled garage door openers controlled via smartphone apps. While these are convenient, they can also be vulnerable to cyberattacks if not properly secured. If a thief gains access to your home’s Wi-Fi network, they may be able to control the garage door remotely.


4. Exploiting Weak Garage Door Locks

Some automatic garage doors still have manual locks or weak latching mechanisms. If these are not properly secured, a thief can pry open the door using a crowbar or other tools.


How to Protect Your Automatic Garage Door from Thieves


1. Upgrade to a Rolling Code Opener

If your garage door opener was manufactured before 1995, it likely uses a fixed code system, which is highly vulnerable to hacking. Upgrading to a modern garage door opener with rolling code technology (such as LiftMaster Security+ or Genie Intellicode) ensures that the code changes with every use, making it nearly impossible to duplicate.


2. Disable the Emergency Release Cord

To prevent the coat hanger trick, you can:

  • Use a zip tie to secure the emergency release handle so it cannot be pulled from the outside.
  • Install a garage door shield to block access to the release mechanism.


3. Secure Your Garage’s Wi-Fi Network

If you use a smart garage door opener, ensure your home’s Wi-Fi is protected by:

  • Using a strong password and enabling WPA3 encryption.
  • Disabling remote access if you don’t need it.
  • Regularly updating your smart garage door app and firmware to fix security vulnerabilities.

4. Install Motion Sensors and Security Cameras

Adding motion-activated lights and security cameras around your garage can deter burglars. Many smart security cameras can send instant alerts to your phone if they detect suspicious activity.


5. Use a Deadbolt or Garage Door Lock

Consider installing a manual garage door lock or deadbolt for added protection, especially when you’re away for an extended period. Some homeowners use a padlock on the garage door tracks to prevent it from being lifted.


6. Keep the Garage Door Closed and Monitor Access

Many break-ins happen simply because homeowners forget to close the garage door. Using a garage door sensor that alerts you when the door is left open can help prevent unauthorized entry.


Conclusion

While automatic garage doors offer convenience and security, they are not immune to theft. Thieves use various techniques to bypass security features, including code grabbing, coat hanger tricks, and smart system hacking. However, by upgrading to modern security technology, securing emergency release cords, and strengthening Wi-Fi protection, you can significantly reduce the risk of a break-in.

Homeowners should always stay proactive about garage door security by installing cameras, using strong passwords, and reinforcing manual locks. With the right precautions, you can keep your garage—and your home—safe from potential intruders.

You might also like

Fix N Go Blog

How to Replace a Garage Door Motor?
By Rabia Tingat July 24, 2025
If your garage door opener motor has become noisy, sluggish, or completely non-functional, it may be time to replace it. A faulty motor can make daily garage use frustrating and even unsafe. Fortunately, replacing a garage door motor isn't as complicated as it may seem—especially if you're comfortable with basic DIY tasks. In this step-by-step guide, we’ll walk you through how to replace a garage door motor safely and effectively. Whether you’re dealing with a burnt-out motor or simply upgrading to a newer model, we’ll help you understand the entire process—from removal to reinstallation. Signs Your Garage Door Motor Needs Replacing Before we jump into the replacement process, let’s look at a few signs that indicate your garage door motor is failing: The opener struggles to lift or lower the door Unusual grinding or humming noises from the motor Frequent power failures or overheating The door only opens partially or not at all The remote and wall switch stop responding If your opener exhibits any of these issues even after resetting or troubleshooting, replacing the motor is likely the best long-term solution. Choosing the Right Garage Door Motor Replacement Garage door motors (often called garage door openers) come in several types—chain drive, belt drive, screw drive, and direct drive. When choosing a replacement, make sure it’s compatible with: Your garage door's weight and size Available power source (AC or DC motor) Existing hardware and mounting setup Brands like Chamberlain, Genie, and LiftMaster offer reliable units that include all necessary mounting brackets, sensors, and manuals for a smoother installation. Tools You’ll Need Before replacing your garage door motor, gather these essential tools: Ladder Socket set Screwdrivers Adjustable wrench Wire cutters and strippers Power drill Safety glasses and gloves Once you're equipped, turn off the power supply to the opener to avoid electrical hazards. Step-by-Step Guide to Replacing a Garage Door Motor Step 1: Disconnect Power and Unplug the Motor Safety first—disconnect the opener from the power outlet. If it's hardwired into your home’s electrical system, turn off the circuit breaker. Confirm there's no electricity flowing to the unit using a voltage tester. Step 2: Disengage the Door from the Opener Pull the emergency release cord (usually a red handle) to disengage the garage door from the opener. This lets you open and close the door manually during the motor replacement process. Step 3: Remove the Old Garage Door Motor Start by detaching the wires connected to the safety sensors and wall switch. Take photos or label wires for reference during reinstallation. Next, use a socket wrench or screwdriver to unscrew the motor unit from its mounting bracket on the ceiling. Be cautious—these units are heavy and often require a second person to safely lower them. Once the motor is removed, also uninstall the rail and trolley if your new opener comes with its own. Step 4: Install the New Motor and Mounting Rail Assemble the new motor unit according to the manufacturer’s instructions. This often includes connecting the rail, carriage, and pulley system. Mount the new rail above your garage door and secure the motor to the ceiling using provided brackets. Make sure everything is level and firmly attached. A misaligned rail can lead to jerky movements or early wear on the new motor. Step 5: Wire the Motor and Accessories Reconnect the wall switch and safety sensor wires to the terminals on the new motor unit. Most openers have labeled terminals—typically for red, white, and black wires. If your model includes a backup battery, antenna, or Wi-Fi connection, set these up now. Follow your motor’s wiring diagram precisely to avoid connectivity issues. Step 6: Reconnect the Door and Adjust Settings Pull the emergency cord back into the “engaged” position to reattach the door to the trolley. Now, plug the motor into the power outlet or restore power at the breaker. Turn on the unit and test the door’s operation. Adjust the travel limits and force settings as needed. These settings ensure the door opens and closes completely without excessive strain. Refer to your manual for step-by-step adjustment instructions—usually involving small dials or digital buttons on the unit. Testing Your New Garage Door Motor Once installed, test the full functionality of the opener: Use both the wall switch and remote control Check safety sensors by blocking the beam—door should reverse Confirm smooth and quiet operation Listen for any abnormal noises or vibrations If the door doesn’t operate properly, recheck the alignment of the rail, the wiring connections, or the motor’s mounting hardware. Professional Help vs. DIY While replacing a garage door motor is a doable task for experienced DIYers, you may want to call a professional if:  Your opener is hardwired (no plug-in cord) The ceiling mount is in a tight or high area The garage door is unusually heavy or custom-built You’re unsure about wiring and adjustments Professional installers can typically complete the job within 1–2 hours, and many offer warranties on both labor and parts. Final Thoughts Replacing a garage door motor may seem like a big task, but with the right preparation and safety steps, it's well within reach for the average homeowner. Whether you're upgrading to a quieter, smarter opener or fixing a worn-out unit, understanding the wiring, mounting, and setup process will ensure a successful installation. Remember to always follow the manufacturer’s instructions, double-check your wiring, and test your new unit thoroughly. When done correctly, a new garage door motor will provide smooth, reliable performance for years to come.
How Does Genie Garage Door Motor Wire In?
By Rabia Tingat July 22, 2025
Find out how to wire a Genie garage door motor with expert tips. Improve motor performance and ensure secure, safe installation with this guide.
How to Replace a Garage Door Cable?
By Rabia Tingat July 20, 2025
Learn how to replace a garage door cable step-by-step. This guide covers tools, safety tips, and expert advice for a smooth and safe cable replacement.