As
mobile phones get more sophisticated, hi-tech criminals are dusting off some old tricks.
Security companies have noticed a rise in trojans known as diallers that used to be popular during the days of dial-up net access.
On a smartphone the diallers are being used to call premium rate lines leaving victims with a big bill.
Experts say the diallers are proving popular as a quick way for criminals to cash in.
Diallers were widely used during the days of dial-up net access when most people connected via modem. - bbc
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