Malware targeting the Internet of Things (IoT) has come of age and the number of attack groups focusing on IoT has multiplied over the past year. 2015 was a record year for IoT attacks, with eight new malware families emerging. More than half of all IoT attacks originate from China and the US. High numbers of attacks are also emanating from Russia, Germany, the Netherlands, Ukraine and Vietnam.

Poor security on many IoT devices makes them soft targets and often victims may not even know they have been infected. Attackers are now highly aware of lax IoT security and many pre-program their malware with commonly used and default passwords.

IoT attacks have long been predicted, with plenty of speculation about possible hijacking of home automation and home security devices. However, attacks to date have taken a different shape. Attackers tend to be less interested in the victim and the majority wish to hijack a device to add it to a botnet, most of which are used to perform distributed denial of service (DDoS) attacks.

Just this month the security vendor Sucuri reported on a large DDoS attack launched from 3 different types of botnets (CCTV botnet, home router botnet and compromised web servers). While not commonly seen in the past, attacks originating from multiple IoT platforms simultaneously may be seen more often in the future, as the amount of the embedded devices connected to the Internet rises.

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