Santy worm makes unwelcome visit
Thousands of website bulletin boards have been defaced by a virus that used Google to spread across the net.
The Santy worm first appeared on 20 December and within 24 hours had successfully hit more than 40,000 websites.
The malicious program exploits a vulnerability in the widely used phpBB software. Santy's spread has now been stopped after Google began blocking infected sites searching for new victims.
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Source: BBC News