Car Hacking and Key Hacking: Should You Be Worried?

So, should you be worried about hackers stealing your car or taking control of it remotely? Cars are getting smarter every year, with keyless entry, remote start, and even Wi-Fi on board. But all that high-tech convenience comes with a downside: the potential for car hacking and key hacking. Let’s break it down in simple terms, explain how these hacks work, and how you can protect your car from them.

What Is Car Hacking?

Car hacking happens when cybercriminals exploit the technology in your car to gain access or control. Modern vehicles rely heavily on computers to manage everything from steering and braking to entertainment systems and navigation. As these cars get more connected to the internet (through features like Bluetooth, Wi-Fi, and mobile apps), they become more vulnerable to hacking.

Here’s how car hacking can happen:

1. Remote Control Hacks: Hackers can take control of certain functions of your car, like the brakes, acceleration, or steering, without physically being near it.
2. Infotainment System Breaches: Your car’s infotainment system (GPS, music, phone connectivity) can be a weak spot. Hackers can use this to get into your car’s systems or steal personal data.
3. Wi-Fi and Bluetooth Hacks: If your car has Wi-Fi or Bluetooth and those connections aren’t secure, hackers might be able to get in through those channels.

What Is Key Hacking?

Key hacking (also called relay theft) is a growing issue, especially for cars with keyless entry. This type of hack doesn’t need any fancy technology—it’s surprisingly simple and quick. Thieves use a device to intercept the signal from your key fob, even if it’s inside your house or pocket, and use that signal to unlock and start your car.

Here’s how key hacking works:

1. Intercepting the Signal: Thieves use a relay device to capture the signal from your key fob and send it to another device near your car.
2. Unlocking and Starting the Car: With that relayed signal, they can unlock your car and start it without ever touching your keys.
3. Driving Away: Once the car is started, they can drive away, often without triggering any alarms.

Should You Be Worried About Car Hacking?

Car hacking, while possible, is still pretty rare. Hackers generally go for bigger targets, like corporate networks or financial systems, instead of individual cars. That being said, it’s not impossible—especially as vehicles become more connected. High-end cars with more advanced tech features are usually at a higher risk.

If your car has things like remote start, keyless entry, or is connected to the internet, you should be aware of the risks. But the good news is that there are steps you can take to protect your vehicle from hacking.

Should You Be Worried About Key Hacking?

Key hacking is a bigger and more immediate concern, especially if you have a car with keyless entry and push-button start. Thieves don’t need to physically break into your car—they just need to hijack the signal from your key fob. And this can happen right outside your house.

This type of theft is quick, easy, and often goes unnoticed until it’s too late. If your car has a keyless entry system, it’s worth taking extra steps to protect yourself from this growing problem.

How Can You Protect Your Car from Hacking?

There are a few practical things you can do to protect your car from being hacked:

1. Update Your Car’s Software: Just like your phone or laptop, your car’s system needs updates to patch security flaws. Make sure to keep your car’s software up to date, either by visiting your dealership or through the manufacturer’s app.
2. Turn Off Unnecessary Wireless Features: If you’re not using your car’s Wi-Fi or Bluetooth, turn them off when you’re not in the car. This limits the chances of someone hacking in through those connections.
3. Be Careful with Apps: Some cars allow you to connect third-party apps to their systems. Only use trusted apps and avoid ones that ask for unnecessary permissions.
4. Use Strong Passwords: If your car has a connected app that lets you control it remotely, use a strong, unique password and enable two-factor authentication if possible.
5. Consider Car Cybersecurity Tools: Some companies now offer cybersecurity products designed specifically for cars. These can add an extra layer of protection to your vehicle.

How Can You Protect Your Car from Key Hacking?

Here’s how you can protect your car from key hacking or relay theft:

1. Use a Faraday Pouch: A Faraday pouch blocks the signal from your key fob, making it impossible for thieves to intercept it. Store your keys in one when you’re at home or not using your car.
2. Disable Your Key Fob’s Signal: Some key fobs let you turn off the signal when it’s not in use. Check your car’s manual or ask your dealer if this is possible with your vehicle.
3. Park in Secure Areas: If possible, park in a garage or a well-lit, visible area. Thieves are less likely to target your car if they think they’ll be seen.
4. Use a Steering Wheel Lock: It might seem old-fashioned, but a steering wheel lock is a cheap and effective way to deter thieves. Even if they manage to unlock your car, they won’t be able to drive it away with the wheel locked.
5. Install a Tracking Device: If your car does get stolen, a tracking device can help authorities locate it quickly.

Final Thoughts: Should You Be Worried?

While car hacking and key hacking are real threats, they’re not something to lose sleep over. Car hacking is still rare, but it’s good to stay informed and take basic precautions—especially if your car has a lot of high-tech features. Key hacking is more common, but simple solutions like a Faraday pouch or steering lock can go a long way in keeping your car safe.

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