Trend Micro is the latest antivirus company to offer extra services to users over the millennium period.
The company has set up a Year 2000 virus website aimed at helping users determine whether there will be any increased risk from viruses over the millennium.
There is a section covering "truth vs hype" which the company says gives an overview of what to worry about and how much to worry.
Trend Micro said that one widely underrated area of concern is what will happen when old data invades your system. Although your applications may be secure, the company said, non Y2K compliant data in existing databases or data forwarded from other countries may contain date errors that could cause calculations to choke, it warned.
The company said it has added 50 additional virus doctors and technical support personnel to its usual staff for the Y2K period.
Antivirus vendors are split in opinion over whether the millennium date change will exacerbate the virus problem.
Earlier this week, Internet company Star launched a service which offers to put its customers email in quarantine over the period to spare IT managers the worry of virus infection.
In addition, a chief researcher at Symantec was reported as saying there might be up to 200,000 new viruses written especially for the millennium.
Gartner Group claims US law enforcement and intelligence agencies have received more than 30,000 threats from virus writers and hackers planning to turn the millennium celebration into commiseration.
Graham Cluley, senior technology consultant at rival antivirus company Sophos, has hit out at what he describes as "hype".
He said 1 January is no different from any other day. "There will almost certainly be viruses written deliberately to trigger on New Year's Day, but their threat is no greater than that of any of the other tens of thousands of viruses in existence. In fact, perhaps it's lower because of the small number of people who will be at work on that day," he said.
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