AT&T on Tuesday unveiled a security feature designed to help its enterprise network customers counter denial-of-service attacks. The new network-based software tool, when integrated with the long-distance giant’s existing intrusion-alert service, AT&T Internet Protect, works to stop denial-of-service (DoS) and distributed denial-of-service (DDoS) traffic within the AT&T network, sparing its customers. AT&T Internet Protect, launched in March, scans the traffic that flows on the company’s global network for potential threats and alerts customers to possible problems. The new DDoS Defense mechanism, which is based on technologies developed by Cisco Systems and Lexington, Mass.-based Arbor Networks, works by picking out discrepancies in enterprise traffic flows and comparing them with normal traffic behavior, patterns and protocol compliance. Full Story
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