Bluetooth adverts spark virus fears

Good training for accepting viruses

Iain Thomson

A newly developed Bluetooth advertising scheme could make mobile phone viruses more commonplace by teaching users bad habits, IT security experts told vnunet.com today.

The technique, known as Bluestreaming, has been pioneered by British firm Filter UK. It involves beaming pictures and music direct to people's mobile phones. The company had run a pilot with six sites in London railway stations and in a two-week period detected 87,000 phones capable of receiving the material, of which 17 per cent accepted the download.

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"This is dangerous from a user behaviour point of view," explained Patrick Runald, senior technical consultant at F-Secure.

"We're trying to tell people not to accept things on their phones if they are beamed at them. All mobile viruses rely on the users accepting them in order to spread."

The Bluestreaming system works by placing a Bluetooth transmitter with a 100m range behind an advertising billboard. Files are free to download since they are not transmitted over the cellular network.

The commercial director of Filter UK pointed out that the marketing method itself cannot be hijacked by mobile virus writers.

"It would be very difficult for a virus writer to spoof a campaign like this, " commercial partner Fred Durman said.

"Mobile viruses are applications and phones will always ask if you want to download and activate an application. Since these are music and picture files there's no need for the request. Customers should never install unrecognised applications."

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