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Aladdin Chooses Commtouch Email Defense for Aladdin eSafe Content Security Solution

Sunnyvale, California – February 27, 2008 – Commtouch® (NASDAQ: CTCH) today announced a licensing agreement with Aladdin Knowledge Systems, Inc. (NASDAQ: ALDN), a leader in digital security, providing solutions for software and Internet security since 1985.

The Commtouch Anti-spam and Zero-Hour™ Virus Outbreak Protection solutions are being integrated into Aladdin eSafe, a proactive content security solution for enterprises that will incorporate Commtouch technology as part of its dual-engine protection offering. The Aladdin eSafe secure Web gateway is deployed in both hardware and software versions.

“With the constant growth of spam and malware, Aladdin was looking for state-of-the-art protection for eSafe customers,” said Tsion Gonen, vice president of the Aladdin eSafe Business Unit. “Our testing revealed Commtouch solutions as the clear choice for Aladdin eSafe and its dual-engine approach for multi-layered email protection.”

“We are excited to be chosen by Aladdin, a world leader in the Internet security market,” said Gideon Mantel, Commtouch’s chief executive officer and chairman of the board. “The OEM agreement with Aladdin will bring Commtouch’s advanced email security solutions to the global Aladdin eSafe market.”

About Aladdin eSafe

Aladdin eSafe protects against Web-based malware and zero-day threats through an in-line, wire-speed secure Web gateway featuring powerful anti-spyware, application level controls, and URL filtering. eSafe also controls spam and inspects SMTP and POP3 traffic though a proactive email security gateway. Visit www.Aladdin.com/eSafe

About Aladdin

Aladdin Knowledge Systems’ Software Rights Management products are the #1 choice of software developers and publishers to protect intellectual property, increase revenues, and reduce losses from software piracy. Aladdin eToken is the world’s #1 USB-based authentication solution. The Aladdin eSafe secure Web gateway provides the most advanced protection against the latest Web-based threats and attacks. Aladdin has offices in 12 countries, a worldwide network of channel partners, and has won numerous awards for innovation. For more information, visit the Aladdin Web site at www.Aladdin.com.

About Commtouch
 
Commtouch Software Ltd. (NASDAQ: CTCH) is dedicated to protecting and preserving the integrity of the world's most important communications tool -- e-mail. Commtouch has over 17 years of experience developing messaging software and is a global developer and provider of proprietary anti-spam, Zero-Hour virus protection and Reputation Service solutions. Using core technologies including RPD (Recurrent Pattern Detection™), the Commtouch Detection Center analyzes billions of email messages per week to identify new spam and malware outbreaks within minutes of their introduction into the Internet. Integrated by scores of OEM partners, Commtouch technology protects thousands of organizations, with hundreds of millions of users in over 100 countries. Commtouch is headquartered in Netanya, Israel, and has a subsidiary in Sunnyvale, Calif. For more information, see: http://www.commtouch.com The site includes the Commtouch online lab detailing spam statistics and charts.

Recurrent Pattern Detection, RPD, Zero-Hour and GlobalView are trademarks, and Commtouch is a registered trademark, of Commtouch Software Ltd. U.S. Patent No. 6,330,590 is owned by Commtouch.

Commtouch Contact:
Rebecca Steinberg Herson
US: +650-864-2112
Int'l:+972-9-863-6877
rebeccah@commtouch.com