Two years ago, the US accounted for over half of all spam...

Two years ago, the US accounted for over half of all spam sent to the world - now it is less than a quarter, evidence which confirms that more Americans are waking up to the need to protect their home computers from malicious hackers. More and more viruses, worms and Trojan horses are being designed to take over innocent users' computers with the intention of stealing information and sending out junk email campaigns.