Virus attacks up 17.5%
Bugbear-B, which morphs its contents and can turn off some firewalls and anti-virus software, accounted for 12% of the reports the company received.
Graham Cluley, senior technology consultant at Sophos, said all 10 viruses were executable Windows 32 viruses spread via e-mail. "Companies can protect themselves by blocking executable code at the e-mail gateway. These viruses should not have had anything like the impact they did," he said.
Eight of the viruses can spread using more than one method such as e-mail, internet relay chat and network sharing - a trend Sophos expects to continue.
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