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Hankook Tire Rolls Out Juniper Networks IDP Solution to Secure and Assure Its Network

Major Korean Automotive Equipment Manufacturer Deploys Juniper Networks IDP to Protect Global Corporate Infrastructure

SUNNYVALE, May 18, 2005 - Juniper Networks, Inc. (NASDAQ: JNPR) today announced that Hankook Tire of Seoul, Korea, has deployed Juniper Networks Intrusion Detection and Prevention (IDP) systems to protect the company's worldwide network infrastructure. The Juniper Networks IDP 1000 and IDP 500 devices protect servers and data traffic at the central office, Research and Development center, and manufacturing plants.

Hankook chose the Juniper Networks IDP solution for its ease of management, comprehensive Multi-Method Detection (MMD) technology to identify network threats, and highly stable integration of the IDP solution with Hankook's existing infrastructure.

"Until we implemented the Juniper Networks IDP solution, we were suffering from unrelenting network attacks," said Kim Sang Hoon, General Manager of Emfrontier, Hankook's IT outsourcing division. "Even with multiple firewalls and anti-virus protection, managed by a dedicated five-member IT security team, we were not able to prevent continuous attacks that degraded network performance and caused expensive and troublesome downtime. After the Juniper Networks solution was in place, we experienced no further attacks or disruptions and our staff was able to continue working with maximum network efficiency and reliability."

Hankook is one of the world's largest tire manufacturers and makes passenger, high-performance radial, light and medium truck and bus tires. Its products are sold in more than 200 countries and the company's clients include Volkswagen, Ford, Mitsubishi and Volvo.

The Juniper Networks IDP platform won the Network Computing Editor's Choice award in February 2005. The platform provides inline attack protection against worms, Trojans, spyware and other current and emerging threats. Using multiple detection methods and full application layer inspection, Juniper Networks IDP solutions accurately identify attacks and minimize the number of false positives. Juniper Networks IDP solutions also combine an open signature format with extensive customization capabilities and - using 3.0 and above versions of its IDP operating code - can compensate for a range of Microsoft operating system vulnerabilities that allow attackers to gain control of affected Windows systems.

"Corporate networks must be secure against intrusion threats and malicious software agents, while providing high levels of performance," said Tim Kang, Juniper Networks' vice president for Korea. "Our market-leading IDP solution delivered the combination of security and assured performance necessary to protect Hankook Tire and enable its employees to continue to work uninterrupted. Secure and assured network infrastructure underpins the Infranet vision of a next-generation, publicly accessible communications framework."

About Hankook Tire

Back in 1941, Hankook Tire was founded on principles that stressed the need to advance human safety and the quality of life. The company remains committed to customer satisfaction today, applying quality and technology to offer its special brand of value to customers in over 170 nations. Hankook has strong Original Equipment Manufacturing relationships with many of the world's leading auto manufacturers. It is also one of the most profitable and fastest-growing tire companies in the world, with compound annual growth in the last five years of 64 percent.

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, and the NetScreen logo are registered trademarks of Juniper Networks, Inc. in the United States and other countries.

The following are trademarks of Juniper Networks, Inc.: Juniper Networks IDP