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 September 2001, the chart is as follows, with the most
frequently occurring virus at number one:
from every angle. It uses a multi-pronged method to exploit a
number of known weaknesses," said Peter Cooper, UK support manager
at Sophos Anti-Virus. "Despite the high profile warnings, it is
continuing to infect people who have failed to update their virus
"Ensuring your operating system is fully patched and updated is
as important as up-to-date anti-virus software," continued Cooper.
"Had the affected machines been patched up prior to infection, the
path and magnitude of Nimda would have been very different."
890 new viruses were discovered and protected against by Sophos
Anti-Virus during September 2001.
The total number of viruses Sophos now detects and protects
against is 68111.
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.
Sophos is headquartered in Boston, US and Oxford, UK. More information is available at www.sophos.com.