Hong Kong Police arrested a 25 year old local man on July 23 after catching him driving through the northern district of Sheung Shui with an SMS blaster operating inside his car. Officers seized the SMS blaster and a mobile phone used to control it. Initial forensic analysis showed the SMS blaster had sent more than 1,000 smishing messages.
The arrest followed the theft of approximately HKD1.1mn (USD141,000) from the account of a customer of an online investment company. The victim received an SMS that impersonated the company and claimed their account details needed updating. A link took the victim to a fake login page, where they disclosed their username, password and SMS one-time password. The criminals used those details to access the genuine investment account and conduct unauthorized transactions.
Police said this SMS blaster forced nearby phones to connect using 2G. The arrest occurred exactly one month after China Mobile Hong Kong, the territory’s last provider of 2G service, switched off its 2G network on June 23. Closing the genuine network did not prevent the attack because compatible handsets could still receive the 2G signal transmitted by the SMS blaster.


