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Juniper Networks SSL VPN Passes Stringent Security Evaluations

iSEC Partners And Cybertrust Provide Independent Security Validations Of The Secure Access Solutions

SUNNYVALE, Calif., April 18, 2005 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced that its latest Secure Sockets Layer Virtual Private Network (SSL VPN) products have passed stringent security audit evaluations by two leading security organizations, Information Security Partners, LLC (iSEC Partners) and Cybertrust®, Inc. Juniper Networks continues to be the only SSL VPN provider to have completed multiple, independent security audits - supporting its goal to deliver secure and assured networking solutions to customers worldwide.

The Juniper Networks Secure Access product line completed two rigorous tests to evaluate the overall system security. In each evaluation by iSEC Partners and Cybertrust, the latest Secure Access products were found to contain protective mechanisms and features that provide effective secure access and combat unauthorized access into the network.

"SSL VPNs are increasingly becoming the critical front-end for secure access to the extended enterprise, which makes security the number one issue for our customers," said Andrew Harding, director for the Juniper Networks application security gateway products. "Comprehensive third-party security auditing is an essential practice for secure and assured networking. The latest results of our iSEC Partners and Cybertrust audits prove that our Secure Access appliances are built on a secure technology foundation. Our longstanding commitment to developing and offering the best in class security and networking products continues to set the Juniper Networks SSL VPN appliances apart."

"Third-party security audits are valuable to our customers who require independent evaluations to assess security of their mission critical infrastructure, especially with secure access technology," said Steve Fuller, president and CTO at NetWorks Group, a Juniper Networks J-Partner providing information security solutions and services. "Rigorous and comprehensive security assessments by iSEC Partners and Cybertrust complement and validate our own product integrity testing, so that we can confidently ensure that our customers are deploying the most secure SSL VPN appliances."

The Cybertrust evaluation consisted of an extensive Application Security Review (ASR), which delivers an in-depth application security assessment specifically designed to assess purpose-built applications and their supporting environments. Continuing a relationship that has been on-going for nearly four years, Cybertrust analyzed the security posture of the Juniper Secure Access system, as well as Juniper Networks' development processes and procedures, and the Secure Access appliance's architecture and source code. Based on the data collected from Juniper Networks and data from independent testing of the Secure Access appliance against the Cybertrust ASR standard, the Cybertrust Statement of Opinion reported that the security posture of the Secure Access SSL VPN continues to be very effective in securing remote, extranet and intranet access.

iSEC Partners tested the specific system and application hardening features of the Secure Access SSL VPN platform and hardware through system penetration tests, specific threat scenarios, and specifically targeted attacks. This targeted, hands-on testing further validates the Secure Access appliance's posture in several areas of security. According to iSEC Partners' Independent Security Report (iSR), the Secure Access appliance exceeded industry standards for the overall security of the device, as well as significantly exceeded standards for authentication, authorization and auditing (AAA).

The Juniper Networks Secure Access SSL VPN appliances lead the market, with form factors and features tailored to meet the remote access, extranet, and intranet security needs of companies of all sizes. The use of SSL, the security protocol found in all standard Web browsers, eliminates the need for client-software deployment, changes to internal servers, and costly ongoing maintenance and desktop support. The Secure Access SSL VPN appliances combine the overall benefit of increased security and lower total cost of ownership relative to traditional IPSec client solutions and software-based extranet/intranet security solutions.

About Juniper Networks, Inc.

Juniper Networks is the leader in enabling secure and assured communications over a single IP network. The company's purpose-built, high performance IP platforms enable customers to support many different services and applications at scale. Service providers, enterprises, governments and research and education institutions worldwide rely on Juniper Networks to deliver products for building networks that are tailored to the specific needs of their users, services and applications. Juniper Networks' portfolio of proven networking and security solutions supports the complex scale, security and performance requirements of the world's most demanding networks. Additional information can be found at www.juniper.net.

Juniper Networks, the Juniper Networks logo, NetScreen, NetScreen Technologies, the NetScreen logo are registered trademarks of Juniper Networks, Inc. in the United States and other countries. Cybertrust is a registered trademark of Cybertrust, Inc.

This press release contains specialized projections, statements and data provided by third parties. Juniper Networks does not adopt these projections, statements or data, does not warrant or guarantee the accuracy or completeness of such data or statements and does not undertake or assume any duty to update them in the future.