Aladdin eSafe Named Best Anti-Trojan Solution in 2006 SC Magazine European Awards

Aladdin eSafe gains significant recognition in U.S. and European SC Magazine Awards

CHICAGO, May 1, 2006 - Aladdin Knowledge Systems (NASDAQ: ALDN) the leader in Software DRM, identity management and content security solutions, today announced that Aladdin eSafe, an integrated, proactive content security, spyware and virus protection solution for the Internet gateway, received the "Best Anti-Trojan" award in the 2006 SC Magazine European Awards. On February 15th, Aladdin also announced that eSafe won the same award in this year's SC Magazine U.S. Awards.

This latest recognition in Europe was presented to Shimon Gruper, vice president of technologies for the Aladdin eSafe Business Unit, during an awards ceremony on April 25th in London. SC Awards stand as prestigious recognition in the information security industry, with winners being selected among long lists of candidates. The two SC Magazine Awards accompany the recent release of Aladdin eSafe 5 FR2, which brings to market the most comprehensive Web security for organizations, together with a new URL Filtering Module and Spyware Neutralizer designed for protection against the fast-growing number of malicious Web sites containing dangerous spyware.

"It's a unique honor for Aladdin eSafe to receive such prestigious awards on both sides of the Atlantic," Gruper said. "We're even more pleased to see eSafe selected as the 'Best Anti-Trojan' solution within days of announcing eSafe 5 FR2 - the latest version of the product that continues to expand its best-of-breed protection for Web browsing, anti-spyware and application filtering. These awards illustrate our commitment to providing zero-day protection for the top threats facing organizations today."

About Aladdin eSafe 5

Aladdin eSafe is an integrated gateway content security solution providing proactive email security and Web browsing security. As an in-line, transparent solution, eSafe offers the industry's highest content security performance, encompassing:

• Layered anti-spyware
• Spam management
• Application filtering
• Proactive anti-virus technologies

Unlike other products which focus on viruses, eSafe protects users and the enterprise from Web-borne content threats including spam, viruses, known and unknown worms, Trojans, Webpage malicious code, spyware, unauthorized P2P, Instant Messaging applications, and more. With eSafe, organizations take control before problems arise, saving valuable time as well as thousands of dollars in costly repairs, and providing content security where it counts most - at the gateway front line. For more information on Aladdin eSafe, visit http://www.Aladdin.com/eSafe.

About SC Awards

With over 1,300 product and service nominations from over 330 competing companies globally, the SC Awards are the world's leading awards program for the information security industry. The SC Awards program spans US, Asia, and UK. The SC Awards are composed of both the Reader Trust Technology Awards-voted on by SC readers in each region and the SC Awards Council, a group of carefully selected senior CSOs -and the Professional Awards that are judged by a panel of the industry's top talents.

Recognizing technical excellence and professional achievement across a variety of different categories, the SC Awards is a truly unique program developed to bring attention to the industry's top products and highlight the professionals that have both created them and use them within their companies. For more information, visit www.scmagazine.com.

About Aladdin

Aladdin Knowledge Systems Ltd. is a global provider of security solutions that reduce software theft, authenticate network users and protect against unwanted Internet and e-mail content, including spam, viruses and spyware. Its security products are organized into two segments: Software Digital Rights Management (DRM) and Enterprise Security. Aladdin's Software DRM products allow software publishers to protect their intellectual property and increase revenues by reducing losses from software theft and piracy. Its Enterprise Security solutions enable organizations to secure their information technology assets by controlling who has access to their networks (authentication) and what content their users can utilize (content security). Visit the Aladdin Web site at www.Aladdin.com.

©2002-2006 Aladdin Knowledge Systems, Ltd. All rights reserved. eSafe, Aladdin Knowledge Systems and the Aladdin logo are trademarks or registered trademarks of Aladdin Knowledge Systems, Ltd. All other product and brand names mentioned in this document are trademarks or registered trademarks of their respective owners.

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