Jack Schofield: Rob wonders if an 'automated watcher' is tracking his web use and sending relevant spam
DNSChanger malware, which began spreading in 2007, could prevent up to 300,000 computers worldwide from connecting to the internet. By Charles Arthur
An Armenian citizen is thought to be behind the Bredolab worm, which infected 30m computers worldwide and stole financial information
Scores of zombie accounts on the social network are being used to try to install a banking and keylogging Trojan - and many have fallen victim already
Margaret Giles's PC has a Trojan which is trying to sell her fake ant-virus software
Peter Paul downloaded NoAdware 5.0 free, but it wants money to remove a Trojan file
