In the fast-evolving world of automotive technology, keyless entry and start systems have become a standard feature in modern vehicles. These systems rely on RFID technology to detect the presence of a key fob near the car, allowing drivers to unlock and start their vehicles without physically inserting a key. However, recent research by 360 Radio Security Research Department has revealed a critical vulnerability that could allow unauthorized access to vehicles, even when the keys are not left in plain sight.
At the Black Hat conference in Las Vegas, one of the most prestigious cybersecurity events globally, 360 researchers presented their findings on how these keyless systems can be remotely exploited. The study demonstrated that the range of the key detection system is much greater than expected—often extending from tens to hundreds of meters. This means that even if a driver locks their car and leaves the key in their pocket or bag, an attacker could potentially intercept the signal and gain access to the vehicle.
During a live demonstration, researchers at 360 parked a car on the side of the road, locked it, and then walked away with the key in their possession. Using a custom-built tool, another researcher followed the owner and captured the key's signal from a distance. With the signal relayed back to the car, the second researcher was able to unlock the door and start the engine within minutes, all without the owner realizing what had happened.
The core issue lies in the communication protocol between the key and the car. Normally, the system is designed to work within a short range for security purposes. But by using a "bridge" device, researchers were able to amplify and transmit the key’s signal over long distances, tricking the car into thinking the key was nearby. This method is far more cost-effective than previous techniques, which required expensive equipment and complex setups.
Li Jun, a senior researcher at 360, emphasized that this vulnerability is not isolated. Several car models from different manufacturers have been found to use similar communication protocols, making them potential targets. While users can shield their keys in a Faraday bag to prevent signal interception, this is not a practical solution for everyday use. The best long-term fix, according to Li, is for manufacturers to update their communication standards and implement stronger encryption methods.
360 has already reached out to relevant car manufacturers to address the issue and improve the security of their keyless systems. The company will also present its full findings at Black Hat next week, aiming to raise awareness across the automotive industry about the growing risks associated with connected vehicles.
As cars become more integrated with the internet and smart technologies, ensuring their security is now a top priority. 360's Vehicle Network Security Center, a collaboration between the company and various universities and automotive partners, is leading the charge in developing robust protection strategies for connected vehicles. Their secure big data platform is already operational, offering real-time threat monitoring and response for the automotive sector.
With the increasing reliance on digital systems, the need for stronger cybersecurity measures in the automotive industry has never been more urgent. As more vehicles go online, the importance of protecting them from cyber threats continues to grow, and 360 is playing a crucial role in shaping the future of automotive safety.
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