Smart TVs subverted by radio attack

Millions of smart TVs can be hijacked by burying attack code in signals broadcast to the net-connected devices, security experts warn.

The attack exploits loopholes in widely used technology that helps smart TVs receive tailored adverts.

Once hijacked, the TVs could be made to send messages on behalf of attackers, find other vulnerable devices in a home or launch other attacks across the net.

Detecting and stopping the attack would be difficult, said the researchers.

The attack uses the Hybrid Broadcast Broadband TV (HbbTV) standard that is widely supported in smart television sets sold in Europe.

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