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Simultaneous virus scanning speeds new infection cure

Antivirus and spam-filtering specialist Sybari has released version 7.0 of its Antigen product for protecting Exchange e-mail...

Antivirus and spam-filtering specialist Sybari has released version 7.0 of its Antigen product for protecting Exchange e-mail servers, writes Eric Doyle.

Sybari takes the belt-and-braces approach to virus protection by allowing up to six of the main virus scanning engines to be run simultaneously. The company claims this approach covers any weaknesses in a single product and increases the likelihood that a solution will be found more rapidly for any new viruses that appear.

Antigen works by testing each message before it enters the Exchange e-mail store. The tests are performed against any or all of the antivirus engines that Sybari supports: Kaspersky, Network Associates, Norman, Sophos, and two from Computer Associates.

The company also claims to have improved its filters to exclude unwanted e-mails. Julian Bogajski, UK commercial director for Sybari, said this is an effective way to exclude some attempts to infiltrate networks with worms and viruses.

It also helps protect against spyware - "legal" cookies planted on servers and desktops to report back consumer intelligence, such as sites visited or products viewed. Because these spies are considered acceptable, they can accumulate on a desktop and sometimes several hundred may be present.

Introduced with the new version is the ability to run Antigen on Windows 2000 SMTP servers without Exchange being present. David Ferris, president and analyst at Ferris Research, said, "As viruses continue to evolve, they have learned to exploit security vulnerabilities that allow them to slip through firewalls and enter networks through other means besides Internet or e-mail gateways. This makes it critical to have a robust server side antivirus solution placed on e-mail or groupware servers as viruses traditionally use these environments to proliferate on the network."

Suspect items are stored in a quarantine database so that the numbers and sources of viruses and spam can be checked.

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