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RSA Conference, San Francisco, Calif., Booth 1148, February 14, 2005 – Arbor Networks®, a leading provider of internal network security systems, today announced that British Telecom has chosen Arbor Networks’ Peakflow® X to protect its entire corporate network in the United Kingdom from worms and cyber threats. Peakflow X is being installed across country to monitor worm threats in BT’s critical data centres and buildings.

BT selected Peakflow X to protect its corporate network inside the perimeter firewalls, in what is believed to be the largest internal security deployment to date. BT chose Peakflow X for its ability to monitor for network anomalies as well as its Worm Vaccine™ capability, which enables BT to proactively harden its network before new worms attack and before the vulnerabilities are exploited or even known.

“We already have strong perimeter defences, but as worms become more complex and better able to circumvent the perimeter, protecting our corporate network internally has become invaluable,” said Dave Harcourt, of BT. “BT is committed to providing our customers with the best telecommunications solutions available today. We tested several solutions and found Peakflow X leverages our existing infrastructure to give us a clear view of our internal network, while protecting us from both known and unknown threats.”

While today’s fast-spreading worms have stymied perimeter security products such as firewalls, intrusion detection systems (IDSs) and traditional intrusion prevention systems (IPSs), Peakflow X addresses these challenges by detecting and mitigating threats without the use of signatures. Once a threat is detected, Peakflow X leverages a company’s existing switches, routers, and firewalls to mitigate the attack.

“This is the biggest deployment of internal security protection to date,” said Tom Schuster, president of Arbor Networks. “Peakflow’s real-time network wide situational awareness is the cornerstone for securing internal networks. With Peakflow, worms can be stopped in their tracks or even proactively prevented; networks can be hardened without disrupting the business; and insider misuse even in the most complicated environments can be detected and stopped.”

About Arbor Networks
Arbor Networks’ Peakflow is the most broadly deployed network integrity platform in the world, with over 100 customers that include leading service providers, MSOs in North America, Europe and Asia Pacific, the U.S. Department of Defense, and Fortune 500 companies. Arbor’s network integrity systems protect organisations from zero-day security threats such as DDoS attacks and worms, and operational vulnerabilities such as inefficient peering and routing instability. Built upon the proven Peakflow platform, Arbor solutions provide accurate, real-time awareness of behavior across the entire network, enabling organisations to better secure and more efficiently operate their networks. Arbor is headquartered in Lexington, MA, with a research and development office in Ann Arbor, MI and EMEA headquarters in London and Beijing. For more information, please visit

Copyright (c) 1999-2004 Arbor Networks, Inc. All rights reserved. Arbor Networks and Peakflow are registered trademarks and the Arbor Networks logo and ArbOS are trademarks of Arbor Networks, Inc. in the USA and other countries. All other trademarks are the property of their respective owners.

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