Internet Security Systems and Check Point Software Secure World's Largest Short-Term Network

LAS VEGAS, NV -- NetWorld+Interop -- May 9, 2002 - Internet Security Systems (ISS) (Nasdaq: ISSX) and Check Point Software Technologies Ltd. (Nasdaq: CHKP), two Internet security leaders, today announced that they have been selected for the fifth consecutive year as network security co-sponsors of the Interop Net Event Network (eNet) at NetWorld+Interop in Las Vegas. Internet Security Systems™ and Check Point are providing integrated Internet security technology, real-time monitoring and on-site expertise to protect the eNet at NetWorld+Interop, currently being held at the Las Vegas Convention Center. The companies were selected over all others based on their proven, best-of-breed, interoperable products and technology expertise required to secure the world's largest short-term network.

The eNet provides connectivity to more than 800 NetWorld+Interop exhibitors, conference rooms and meeting rooms while serving approximately 60,000 attendees. The eNet functions in an extremely unique and demanding environment and will showcase the full capabilities of an integrated network, mirroring the real-world networks of leading corporate enterprises. ISS and Check Point security experts are providing onsite expertise at the InteropNet Network Operating Center, actively managing the show's network security and facilitating exhibitor requests related to security. In addition, ISS experts are remotely monitoring the security of the eNet around-the-clock utilizing its leading managed security services from the ISS X-Force™ Global Threat Operations Center (GTOC) in Atlanta.

Tim McCormick, vice president of marketing for Internet Security Systems comments, "As the pioneer and market leader in intrusion detection and network security assessment, we are excited to once again be the chosen sponsor along with Check Point to secure the world's largest short-term network at the 2002 NetWorld + Interop show in Las Vegas. As the threat landscape continues to grow, our participation demonstrates the need for a pervasive approach to protection and the peace of mind that comes with placing security into the hands of experts to ensure that the network is continually monitored, managed and protected no matter what size or function of the network."

"Having been chosen along with ISS to protect the complex Networld + Interop eNet for five consecutive years is testament to Check Point's best-of-breed security and the innovation and interoperability we continue to build into our products," said Carol Stone, vice president of marketing for Check Point Software Technologies. "Just as it does for millions of customers around the world every day, our industry-leading VPN-1/FireWall-1 software is enabling a secure networking environment for the over 60,000 Networld + Interop attendees."

The eNet is protected by the market-leading Check Point VPN-1/FireWall-1 Next Generation (NG) software solution. As part of the company's Secure Virtual Network (SVN) architecture, VPN-1/FireWall-1 NG incorporates advanced virtual private networking (VPN) and firewall capabilities, core components of a comprehensive enterprise security architecture. Additionally, Check Point NG sets new standards for VPN and firewall manageability, reliability, scalability and performance and incorporates "One-Click" technologies that greatly simplify VPN deployment and management.

ISS' market-leading RealSecure® protection system software and managed security service solutions protect the eNet through around-the-clock monitoring, comprehensive network vulnerability assessment, intrusion protection and response. Utilizing ISS' RealSecure information protection solutions and ISS' managed security services' X-Force Global Threat Operations Center (GTOC) 24 X 7 monitoring capabilities along with Check Point VPN-1/FireWall-1 NG running on the Nokia IP740 and IP650, network operators are able to successfully detect and respond to security vulnerabilities and threats, neutralizing attacks before damage can be done.

About NetWorld+Interop
NetWorld+Interop is a Key3Media Event. NetWorld+Interop provides networking, Internet and telecommunications professional buyers with a uniquely comprehensive forum for education and hands-on products and services in order to make critical purchase decisions. NetWorld+Interop affords buyers from enterprises, carrier/service providers, and resellers/integrators the opportunity to experience live technology demonstrations first-hand. It's this focus on advanced, multi-vendor, multi-protocol, multi-service interoperability technologies and solutions that makes NetWorld+Interop the definitive networking, Internet and telecommunications event. Up-to-date event information is available online at www.interop.com.

About Internet Security Systems (ISS)
Founded in 1994, Internet Security Systems is a pioneer and world leader in software and services that protect critical information assets from an ever-changing spectrum of threats and misuse. Internet Security Systems is the trusted security provider for more than 9,000 corporate customers including 49 of the Fortune 50, the top 10 largest U.S. securities firms, 10 of the world's largest telecommunications companies and major agencies and departments within U.S. local, state and federal governments. Headquartered in Atlanta, GA, Internet Security Systems has additional operations throughout the Americas, Asia, Australia, Europe and the Middle East. For more information, visit the Internet Security Systems Web site at www.iss.net or call 888-901-7477.

About Check Point Software Technologies
Check Point Software Technologies is the worldwide leader in securing the Internet. It is the confirmed market leader of both the worldwide VPN and firewall markets. The company's Secure Virtual Network (SVN) architecture provides the VPN and security infrastructure that uniquely enables secure and reliable Internet communications. SVN solutions, as delivered in the company's Next Generation product family, secure business communications and resources for corporate networks, remote employees, branch offices and partner extranets. Extending the power of SVN is Check Point's Open Platform for Security (OPSEC), the industry's framework and alliance for integration and interoperability with "best-of-breed" solutions from over 300 leading companies. Check Point solutions are sold, integrated and serviced by a network of 2,000 certified partners in 203 countries. For more information, please call us at (800) 429-4391 or (650) 628-2000 or visit us on the Web at http://www.checkpoint.com or at http://www.opsec.com.

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2002 Check Point Software Technologies Ltd. All rights reserved.
Check Point, the Check Point logo, FireWall-1, FireWall-1 SecureServer, FireWall-1 SmallOffice, FloodGate-1, INSPECT, IQ Engine, Meta IP, MultiGate, Open Security Extension, OPSEC, Provider-1, SecureKnowledge, SecureUpdate, SiteManager-1, SVN, UAM, User-to-Address Mapping, UserAuthority, Visual Policy Editor, VPN-1, VPN-1 Accelerator Card, VPN-1 Pro, VPN-1 SecureClient, VPN-1 SecuRemote, VPN-1 SecureServer, VPN-1 SmallOffice, and ConnectControl are trademarks, service marks, or registered trademarks of Check Point Software Technologies Ltd. or its affiliates. All other product names mentioned herein are trademarks or registered trademarks of their respective owners. The products described in this document are protected by U.S. Patent No. 5,606,668 and 5,835,726 and may be protected by other U.S. Patents, foreign patents, or pending applications.