Asta Networks will announce Wednesday it has developed router-based software that can detect Internet denial-of-service (DoS) attacks within moments, giving targeted companies precious time to react. The Seattle-based company's software detected a series of denial-of-service attacks over the Internet between Christmas . . .
Asta Networks will announce Wednesday it has developed router-based software that can detect Internet denial-of-service (DoS) attacks within moments, giving targeted companies precious time to react. The Seattle-based company's software detected a series of denial-of-service attacks over the Internet between Christmas and New Year's, demonstrating what the company says is the first automated system for protection against this type of attack.

DoS attacks can flood the systems of an Internet company such as an e-commerce retailer with so many messages that they shut down or can't carry out the company's normal business. Such attacks last year shut down major Web sites including Yahoo, CNN.com, and Amazon.com. They normally are made up of ordinary types of packets that do their damage just by overloading the online companies' infrastructures.

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