Global virus activity captured by secure e-mail services company MessageLabs in November slid to half the October figure, the company said.
Australian experts have warned that the Bugbear worm is still cause for concern, despite a fall in the number of reported infections over the long weekend.
Half of the 10 most virulent viruses last month were 'network aware', meaning they spread using the file system protocol of an organisation, according to IT security firm Sophos.
Australians are more susceptible to Bugbear than to most worms, with 11.7 percent of reported infections coming from this country, compared to between two and four percent for most worms, according to Symantec.
Security has pushed its way to the forefront of corporate consciousness, according to an International Data Corp (IDC) survey of Australia's medium to large organisations.
Rampant virus Klez, which has spawned a number of variants, is predicted to cause Australian IT professionals headaches for months to come.
Klez is still riding high in the virus top 10 after more than a year, but system administrators should be looking out for Datemake, a new entry.
Although it's still at the top of the ranks in infection rates, Klez isn't the only worm companies should be worried about.
Businesses continue to be lax about taking basic practical steps to stop e-mail worms wreaking havoc with their networks, according to anti-virus experts.
Computer users continue to be duped by false virus alerts persuading them to delete harmless--but sometimes vital--files, and then forward the hoaxes to their friends.
Computer users continue to be duped by false virus alerts persuading them to delete harmless--but sometimes vital--files, and then forward the hoaxes to their friends.
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