Proofpoint and F-Secure Announce Technology Partnership

Apr. 28, 2004 – Proofpoint, Inc., the leader in large-enterprise comprehensive message protection solutions, and F-Secure Corporation, a leading provider of leading provider of antivirus and intrusion prevention solutions for individuals and businesses, today announced that the companies have forged a technology partnership. Under the terms of the partnership, Proofpoint will integrate F-Secure’s gateway anti-virus solutions into the Proofpoint Protection Server(tm) and P-Series(tm) Appliance, resulting in a comprehensive solution that provides enterprise-wide protection against spam and viruses, as well as outbound message filtering.

The F-Secure partnership adds another true best-of-breed anti-virus solution to the Proofpoint technology portfolio. By committing to partnerships with multiple best-of-breed vendors, Proofpoint provides its customers with the flexibility to select their preferred anti-virus solution when deploying a Proofpoint message-protection system.

“We believe that Proofpoint represents the future of total message protection, by delivering anti-spam, anti-virus and outbound content compliance on a single, fully integrated platform,” said Travis Witteveen, Vice President, Americas, for F-Secure. “When combined with our industry-leading anti-virus solutions, Proofpoint’s products enable enterprises to restore e-mail to its rightful place as a vital channel of business communications.”

Both the Proofpoint Protection Server and the P-Series Appliance are based on Proofpoint MLX(tm) technology, which combines traditional anti-spam techniques with advanced machine-learning technologies to provide total enterprise message protection.

Proofpoint MLX technology examines approximately 50,000 attributes to detect spam, compared to the 3,000 or fewer examined by traditional anti-spam tools. This results in near-perfect spam detection and – when integrated with best-of-breed anti-virus technology such as F-Secure’s – also enables virus protection that blocks or quarantines potential viruses, while allowing administrators to quickly and easily write rules to automatically delete certain types of messages. Proofpoint MLX technology also enables enterprises to filter outgoing email to prevent the egress of sensitive content and ensure compliance with internal email policies and external regulations.

Many of the world’s leading enterprises, including Kaiser Permanente, Bristol-Myers Squibb and Cincinnati Bell, rely on Proofpoint’s message-protection solutions to stop spam and viruses from entering their organizations, while also preventing inappropriate outbound email from escaping the enterprise.

“Our partnership with F-Secure is a major win for customers, because now they can benefit from F-Secure’s leadership in anti-virus along with Proofpoint’s anti-spam technology, all on a single enterprise-scale platform,” said Gary Steele, president and CEO of Proofpoint. “F-Secure offers an exceptionally robust anti-virus solution for Linux, and their multiple scanning engines and world-class anti-virus research team will protect our customers against virtually every message-borne threat today.”

About F-Secure Corporation

F-Secure Corporation protects individuals and businesses against computer viruses and other threats coming through the Internet or mobile networks. Our award-winning solutions include antivirus, desktop firewall with intrusion prevention and network encryption. Our key strength is the speed of response to new threats. For businesses our solutions feature centralized management. Founded in 1988, F-Secure has been listed on the Helsinki Exchanges since 1999. We have our headquarters in Helsinki, Finland, and offices in USA, France, Germany, Sweden, the United Kingdom and Japan. F-Secure is supported by a global ecosystem of value added resellers and distributors in over 50 countries. F-Secure protection is also available through major Internet Service Providers, such as Deutsche Telekom and France Telecom.

More information may be found at www.f-secure.com, or by calling +1 408.938.6700.

About Proofpoint, Inc.

Proofpoint provides business software for large enterprises to stop spam, protect against email viruses and ensure compliance with corporate policies and regulations through their messaging infrastructures. The company’s flagship product, Proofpoint Protection Server(tm) is a software breakthrough that employs Proofpoint’s MLX technology, an advanced machine learning system developed at Proofpoint’s Anti-spam Laboratory, to govern the flow of digital correspondence. Proofpoint was founded by technology visionary and former CTO of Netscape Communications, Eric Hahn. The Cupertino, California-based company is funded by Benchmark Capital, Inventures Group, Mohr, Davidow Ventures, RRE Ventures and Stanford University. For more information, please visit www.proofpoint.com.

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