Posts

Showing posts from June, 2026

How Keyless Entry Works: Key Fobs, RFID, BLE, and Potential Vulnerabilities

Image
Modern vehicles have come a long way from traditional metal keys. Today, Keyless Entry systems allow drivers to unlock and start their cars with the push of a button or even without taking the key fob out of their pocket. While these systems offer convenience and enhanced user experience, they also introduce new security concerns. Understanding how keyless entry technology works can help vehicle owners make informed decisions about protecting their cars. What Is Keyless Entry? Keyless Entry is a technology that allows authorized users to unlock and access a vehicle without physically inserting a key into a lock. Most modern vehicles use electronic communication between a key fob and the car's onboard system to verify ownership and grant access. The system is designed to improve convenience, reduce wear on traditional locks, and provide additional security features compared to standard keys. How Key Fobs Work A key fob is a small wireless device that communicates with a vehicle us...