This is the latest in a series of monthly charts counting down
the ten most frequently occurring viruses as compiled by Sophos, a
world leader in corporate anti-virus protection.
For May 2001, the chart is as follows, with the most frequently
occurring virus at number one:
worm, which directs infected users to pornographic websites,
dominates the top ten list, closely followed by the highly
virus," said Graham Cluley, senior technology consultant for
Sophos Anti-Virus. "System administrators should not only ensure
their company's anti-virus software is up-to-date but also
implement content blocking at their email gateway to prevent
unauthorised executable and Visual Basic Scripts from entering
May also saw a politically motivated virus, the Mawanella worm, which
highlighted the plight of Muslim villagers in Sri Lanka. Sophos
reminds users that all viruses, even those claiming to have a moral
message, have an adverse effect on businesses. Not only are
man-hours lost whilst systems are disinfected but companies
inadvertently sending viruses to associates and customers are at
risk of seriously compromising their credibility.
920 new viruses were discovered and protected against by Sophos
Anti-Virus during May 2001.
The total number of viruses Sophos now detects and protects
against is 64100.
about safe computing.
Graphics of the above Top Ten chart are available here.
Compiled by Sophos's technical support team, the top ten chart
is collated from calls to Sophos's 24 hour, 365 days a year
technical support line.