5) When surfing the internet, do not click on any suspicious links, especially in unsolicited emails from unknown senders, or on social networking sites and instant messaging services.

6) Consider using a prepaid credit card when shopping online, to isolate that account from your debit account or those used for online banking. That way, if anyone does make a fraudulent transaction using those card details, they can only spend a restricted amount of money loaded on to the card, and it also operates separately of your current account, meaning not all of your bank details will be compromised. You can find a list of prepaid cards on the Moneysupermarket comparison site.

7) If you do fall prey to Clampi, or other similar viruses, make sure you change password and login details for all banking and finance accounts that may have been compromised by the infection.