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Brightmail fights viruses at point of entry



Matthew Burgess.

E-mail security firm Brightmail has developed a product to stop virus attacks at their point of entry - the mail...



Matthew Burgess.

E-mail security firm Brightmail has developed a product to stop virus attacks at their point of entry - the mail...

server.

Brightmail's Anti-Virus Solution is the first fruit of Symantec's $18m (£12m) investment in the company. The product is a hybrid of Symantec's anti-virus software and the filtering package for spam (electronic junk mail) which forms the core of Brightmail's business.

Apart from eliminating spam and viruses sent as attachments, the product can also trap any virus that, like Kakworm, is embedded within the text of an e-mail.

Anti-virus software needs frequent updating, so by siting it on the server rather than on each client, the updating process is simplified.

Tony Lock, senior analyst at Bloor Research, said there are few disadvantages to server-side virus defences. "The only disadvantage is the extra overhead you put on your e-mail server, which can impact mail performance. It could also put the legal onus on e-mail vendors in the case of an attack resulting in court action."

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