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Check Point Provides Preemptive Protection Against Microsoft IP Validation Vulnerability

REDWOOD CITY, Calif., - April 13, 2005 - Check Point Software Technologies Ltd. (NASDAQ: CHKP), the worldwide leader in securing the Internet, today announced that it provides preemptive protection again the latest looming Microsoft vulnerability. The IP Validation vulnerability reported by Microsoft on April 12, 2005 has the potential to cause an affected system to remotely execute code. This vulnerability, if exploited, could result in damaging outbreaks like the infamous Nimda and CodeRed worms. Microsoft issued the bulletin on April 12, 2005, but Check Point has provided a preemptive defense against such threats for more than three years.

Users of Check Point VPN-1® and InterSpect™ are automatically protected against this vulnerability. The vulnerability is based on sending a packet with a malformed IP option that might cause arbitrary code to run on the target system. Preemptive protection is imperative with this threat because one successful exploit could amount to an affected system remotely executing code, i.e. installing programs; viewing, changing or deleting data; even creating new accounts with full user rights.

A detailed description of the threat and defense is available to subscription customers of the SmartDefense Service. For more information on the Microsoft IP Validation vulnerability, please see advisory CPAI-2005-78 at:
http://www.checkpoint.com/defense/advisories/public/2005/cpai-2005-78.html.

About SmartDefense
The Check Point SmartDefense™ Service maintains the most current preemptive security by providing real-time updates and configuration advice for security defenses and policies. The SmartDefense Service is available with VPN-1® Pro™, VPN-1 Express™, InterSpect™, Connectra™, and Integrity™ (via the SmartDefense Program Advisor Service).

About Check Point Software
Check Point Software Technologies Ltd. (www.checkpoint.com) is the worldwide leader in securing the Internet. It is the market leader in the worldwide enterprise firewall, personal firewall and VPN markets. Through its Next Generation product line, the company delivers a broad range of intelligent Perimeter, Internal and Web security solutions that protect business communications and resources for corporate networks and applications, remote employees, branch offices and partner extranets. The company's ZoneAlarm product line is one of the most trusted brands in Internet security, creating award-winning endpoint security solutions that protect millions of PCs from hackers, spyware and data theft. Extending the power of the Check Point solution is its Open Platform for Security (OPSEC), the industry's framework and alliance for integration and interoperability with "best-of-breed" solutions from over 350 leading companies. Check Point solutions are sold, integrated and serviced by a network of more than 2,200 Check Point partners in 88 countries.

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