Today’s vehicles are smarter than ever. They can stream your favorite playlists, give real-time traffic updates, and even park themselves. But as cars become more connected, they also become more attractive targets for hackers. Keeping your vehicle’s technology safe is just as important as locking your doors or buckling your seatbelt.
The Hidden Side of Car Connectivity
Modern cars are essentially rolling computers. They connect to your phone, the internet, and sometimes even to the manufacturer’s servers. These connections make driving easier — but they also open digital “doors” that hackers could try to sneak through.
In 2015, for example, two cybersecurity researchers remotely took control of a Jeep Cherokee on the highway — turning on the wipers, changing the radio, and even cutting the engine. It was a controlled test, but it showed how serious the risks can be when cars are online.
How Hackers Can Get In
Hackers look for weak points, and in connected cars, there are several common ones:
- Bluetooth & Wi-Fi: Unsecured wireless connections can give attackers a way in.
- Phone apps: Some car apps control locks, remote start, or navigation — and if your phone isn’t secure, neither is your car.
- Infotainment systems: These are often connected to the internet or USB ports, which can become entry points for malware.
- Smart keys: Key fobs that use radio signals can be “relayed” by thieves standing near your house, allowing them to unlock your car remotely.
Real-Life Examples
- Keyless car theft: A couple in Texas woke up to find their SUV missing — stolen in seconds by thieves using a signal amplifier that extended the key fob’s range from inside their house.
- Charging station hacks: Some electric vehicle (EV) owners have had their cars’ data compromised at public charging stations with tampered software.
- Car-sharing app breach: In 2023, a hacker exploited a flaw in a car-sharing app to unlock and start vehicles remotely — reminding us that even convenience apps need strong cybersecurity.
How You Can Protect Yourself
You don’t need to be a tech genius to defend against digital car thieves. These simple habits go a long way:
- Keep your software up to date. Always install software updates from your car’s manufacturer — they often include important security fixes.
- Use strong passwords. If your car or app lets you create a password or PIN, make it strong and unique. Avoid using your birthday or “1234.”
- Secure your smartphone. Your phone is often your car’s digital key. Keep it updated, use screen locks, and don’t install sketchy apps.
- Turn off wireless features when not in use. Bluetooth, Wi-Fi, or remote start features can be switched off to reduce exposure.
- Store your key fob safely. Keep it in a metal or signal-blocking pouch at home to prevent thieves from copying its signal.
- Avoid unknown USB drives. Plugging an unfamiliar USB into your car is like opening an unknown email attachment — risky.
- Use reputable service centers. When installing aftermarket devices or getting repairs, make sure the shop uses trusted parts and secure software.
What Automakers Are Doing
The good news: carmakers are getting smarter about cybersecurity. Many now use encryption, hire ethical hackers to test their systems, and offer automatic security updates. Some even provide smartphone alerts if suspicious activity is detected on your car’s network.
The Bottom Line
Just like you lock your car doors and check your mirrors, protecting your car’s tech should be part of your routine. Staying alert, keeping software current, and following a few simple steps can keep your vehicle — and your personal data — safe from modern-day digital car thieves.