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07:21 25th October 2010
Spam messages are becoming more malicious and have the potential to lead to security breaches, according to Graham Cluley, senior technology consultant for Sophos.
He said it was important for people to run anti-spam software on their computers.
"Hackers break into computers to send spam on their behalf - it's not unusual for spammers to have hundreds of thousands of compromised computers under their remote control and for the real owners to be oblivious." Mr Cluley said.
As a result of developments in the IT industry, spam messages are now either linking to sites designed to infect a PC with a Trojan horse or their purpose is to phish your credentials, the expert explained.
Since the second quarter of this year, the spam output from the United States has increased significantly from 15.2 per cent to 18.6 per cent of global spam, according to research by Sophos.
Posted by Rachel Hughes
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