TippingPoint, the leader in intrusion prevention, today announced that its TippingPointTM Intrusion Prevention Systems (IPS) provide complete protection against all remotely exploitable vulnerabilities disclosed in today's Microsoft bulletins.

The TippingPoint IPS also provided preemptive, zero day protection two years prior to the discovery of the Windows Animated Cursor vulnerability that was patched in an emergency update last week. For information on TippingPoint's two-year protection of last week's Animated Cursor vulnerability, visit: http://www.tippingpoint.com/pdf/press/2007/MS0day_040307.pdf

TippingPoint Intrusion Prevention Systems were inoculated against the issues in the following Microsoft bulletins through the Digital Vaccine® update service:

(1) MS07-018

Vulnerabilities in Content Management Server Could Allow Remote Code Execution

(Rating: Critical)

(2) MS07-019

Vulnerability in Universal Plug and Play Could Allow Remote Code Execution

(Rating: Critical)

(3) MS07-020

Vulnerability in Microsoft Agent Could Allow Remote Code Execution

(Rating: Critical)

(4) MS07-021

Vulnerabilities in CSRSS Could Allow Remote Code Execution

(Rating: Critical)

For more information on the Microsoft vulnerabilities, please visit:

http://www.microsoft.com/technet/security/bulletin/ms07-apr.mspx

About TippingPoint, a division of 3Com

TippingPoint, the leader in intrusion prevention systems (IPS), provides the IPS-secured network, which delivers attack control, access control, and application control. Its foundation is the TippingPoint IPS, the most decorated in its industry with unparalleled performance and security, as evidenced by nearly 35 awards. For a full list, visit: http://www.tippingpoint.com/products_certifications.html. The IPS obtains evergreen protection from the Digital Vaccine service, powered by DVLabs, the largest body of security researchers in the world. DVLabs is made up of expert internal researchers and over 400 Zero Day Initiative researchers. For more information on TippingPoint, please visit: www.tippingpoint.com or call 1-888-TRUE-IPS.

About 3Com Corporation

3Com Corporation (NASDAQ: COMS) is a leading provider of secure, converged voice and data networking solutions for enterprises of all sizes. 3Com offers a broad line of innovative products backed by world class sales, service and support, which excel at delivering business value for its customers. Through its TippingPoint division, 3Com is the leading provider of network-based intrusion prevention systems that deliver in-depth application protection, infrastructure protection, and performance protection. 3Com also owns H3C Technologies Co., Limited (H3C), a China-based provider of network infrastructure products. H3C brings innovative and cost-effective product development and manufacturing and a strong footprint in one of the world's most dynamic markets. For further information, please visit www.3com.com, or the press site www.3com.com/pressbox.

Copyright © 2007 3Com Corporation. 3Com, the 3Com logo and Digital Vaccine are registered trademarks and TippingPoint is a trademark of 3Com Corporation or its subsidiaries. All other company and product names may be trademarks of their respective holders.