The mobile phone’s potential to make like a misery is soon to extend beyond irritating rings during a bus ride – they are the next target for virus spreaders and spammers.

Moscow based internet virus research facility, the Kaspersky Lab, has warned that virus writers are targeting the development of ‘trojan horse’ viruses for mobile networks.

A programmer known as ‘HSE’ has developed the first of the breed. The program called ‘SMS-Flooder’ launches a denial of service attack on a phone or mobile device.

However spam, or junk email, is also heading for the mobile phone. Deloitte & Touche has warned that wireless device users face a flood of spam from businesses advertising goods. The company highlighted that the ability of upcoming mobile phones and devices to use GPS to pinpont a users’ location, will turn a walk down a high street into a continual stream of ‘special offer’ spam from retailers.

This will be worsened by a severe lack of email server security within UK business, according to internet security company, NTA Monitor. It claims that 28 percent of British companies are leaving the door open to junk emailers to use their servers as spam relay points.

Spam sent via a relay point will look as if it originated from the targeted company – causing responses to be sent to it and potentially crashing servers and damaging a company’s reputation.