Kao Noppakao Dechaphattanakun

Wireless alarms consist of multiples devices such as sensors and detectors which all communicate to a central control box via RF signals. Blogger 'fun over ip' decided that he wanted to understand the design and security measures used by his Verisure wireless alarm by reverse engineering the system. First, he took his HackRF software defined radio and monitored the 433 MHz and 868 MHz ISM bands whilst pushing keys on his alarms remote control. In the 868 MHz band he found a corresponding signal that had two spikes in the RF spectrum, indicating that it was likely a 2-FSK (frequency shift keyed) signal. Next he created

Seventeen Meanie Minwon/ Mingyu Wonwoo