Now a days mobile phones are used for not only for the purpose of calling, today its a multi media world in your hand with game console, messaging terminals, music players, digital cameras, credit cards, alarm clocks, and even TV.

So its more vulnerable to viruses and worms like in a personal computer. A mobile phone virus is quite like a computer virus. Once you receive and install the virus, it starts looking for other Bluetooth phones to infect.

The viruses send infected MMS messages to every phone number in your address list. Since sending MMS messages is not free, you’re actually paying money to send a viruses to your friends, family members and business associates. The virus e can tamper or delete all the contact details and calendar entries in the phone; delete or lock up certain phone applications or crash; show up as games, pornographic material or free download; a text messages camouflaged with a stolen the subject line from a friends’ message, etc. In all these transfer methods, the user install it knowingly or otherwise. But clever virus open and install the bug by disguising it as a desirable application. Mobile viruses can cause trouble as well as financial losses.

Here is some tips which you can reduce the risk of being infected by a mobile virus

Enable Bluetooth only when you need it.
Learn to say ‘no’ If your Bluetooth is on accept only a file that you are expecting.
Never accept an unknown file.
Avoid downloading unscanned material from sharing networks.
Never install any application you are not sure.

Use Mobile AntiVirus like F-Secure. F-Secure Mobile Antivirus and Trend Micro Mobile Security both shield Windows Mobile, Pocket PC, Symbian, and smart phone users. There’s also Airscanner AntiVirus, which defends against Trojans and viruses for Windows Mobile devices and the Pocket PC. Symbian smart phones can get extra muscle power with Commander Mobile Anti-Virus

Enabling the password lock found in your PDA’s native system settings is an important line of defense. Don’t put this off–spend some time setting up a strong. Protect privacy and data by enabling Password managers and data encryption.Encryption apps like Ilium Software’s eWallet Professional for Windows Mobile, Smartphone, and Palm uses 256-bit RC4 encryption to keep your personal files personal. Similar lockbox programs require a password each time you access information–including credit card, bank account, and car details. CryptMagic performs a similar service for BlackBerry owners. Privacy Guardian for Palm and Compact Cleaner for Windows Mobile Phone Edition and Pocket PC erase cookies and other Internet tracks

For a few more tips, Click Here..