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OPNET Introduces Proactive Change Validation for IT Sentinel® and SP Sentinel®

Enhancements Enable IT Organizations to Better Manage Operational Risks Associated with Network Configuration Changes

BETHESDA, MD – December 19, 2007 OPNET Technologies, Inc. (NASDAQ: OPNT), a leading provider of solutions for managing networks and applications, today announced significant new functionality for IT Sentinel and SP Sentinel, software appliances for network audit, security, and policy-compliance. This release introduces Proactive Change Validation, a feature that enables network administrators to assess changes prior to their deployment into the production network.


This new standard feature complements Sentinel’s automated network configuration auditing with on-demand analysis of proposed changes to quickly predict their impact prior to deployment. The work flow is initiated through a simple web-based interface, and leverages Sentinel’s powerful configuration assurance engine. It identifies errors, device misconfigurations, policy violations, inefficiencies, and security gaps that would result from introducing the planned changes.

Sentinel possesses a unique understanding of how network devices interact based on their respective configurations. Consequently, it is able to detect many configuration issues that traditional configuration management tools cannot. Sentinel’s Proactive Change Validation integrates its configuration assurance into the change management process, enabling organizations to more effectively manage risks associated with configuration change.

Alain Cohen, OPNET’s President and Chief Technology Officer, stated, “For enterprises and service providers alike, configuration changes continue to be a significant source of network problems that impact application and service delivery. OPNET’s introduction of Proactive Change Validation with IT Sentinel and SP Sentinel will greatly enhance an organization’s ability to assess risk as part of the change management process. Prior approaches have narrowly examined a proposed change by comparing it to a standard configuration. Sentinel goes significantly further by examining a proposed change in the context of the existing network in order to predict its impact on overall operational integrity and security.”  

Availability
IT Sentinel and SP Sentinel 14.0 with Proactive Change Validation are available immediately from OPNET.

About OPNET Technologies, Inc.
Founded in 1986, OPNET Technologies, Inc. (NASDAQ:OPNT) is a leading provider of solutions for managing networks and applications. For more information about OPNET and its products, please contact pci_security@opnet.com.

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OPNET and OPNET Technologies, Inc. are trademarks of OPNET Technologies, Inc. All other trademarks are the property of their respective owners.

Statements in this press release that are not purely historical facts may constitute forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. OPNET Technologies, Inc. ("OPNET") assumes no obligation to update statements. Forward-looking statements are predictions based upon information available to OPNET as of the date of this press release and involve risks and uncertainties; therefore, actual events or results may differ materially. For a discussion of risk factors, see OPNET's reports, including its most recent 10-Q and 10-K, filed with the Securities & Exchange Commission.

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Note to editors: The word OPNET is spelled with all upper-case letters.

OPNET Media Contact:
Margarita Castillo
OPNET Technologies, Inc.
(240) 497-3000
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Mel Wesley
OPNET Technologies
(240) 497-3000
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www.opnet.com