Aladdin Chief Cryptographer to Present Three Sessions at RSA Conference 2008

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CHICAGO, April 1, 2008 - Aladdin Knowledge Systems Ltd. (NASDAQ: ALDN), an information security leader specializing in authentication, software DRM and content security, today announced that Chief Cryptographer Andrew Lindell, Ph.D. is scheduled to present three sessions during RSA Conference 2008 at the Moscone Center in San Francisco, California.

Lindell, an internationally renowned speaker and thought leader, will present three original research papers in the prestigious cryptographers' track:

• Cryptographic Building Blocks, April 8th 3:00 p.m.
• Fairness in Secure Computation, April 8th 4:10 p.m.
• Message Authentication Codes, April 8th 5:40 p.m.

Full event details are available at www.rsaconference.com/2008/US/Home.aspx.

Lindell is the Chief Cryptographer at Aladdin Knowledge Systems and an Assistant Professor at Bar-Ilan University in Israel. He attained a Ph.D. at the Weizmann Institute of Science in 2002 and spent two years at the IBM T.J. Watson research lab as a Post-Doctoral fellow in the cryptography research group. Lindell has carried out extensive research in cryptography, and has published more than 50 conference and journal publications, in addition to two books on the subject. His most recent book "Introduction to Modern Cryptography," a standard reference in prestigious universities around the world, will be available during the book signings at RSA Conference 2008.

Lindell has presented at numerous international conferences, workshops and university seminars, and has served on program committees for top international conferences in cryptography. In addition to his notable academic experience, he joined Aladdin Knowledge Systems in 2004. In his position as Chief Cryptographer, he has worked on the cryptographic and security issues that arise in the design and construction of authentication schemes, smartcard applications, software protection schemes and more.

About RSA Conference 2008

RSA Conference is helping drive the security agenda worldwide with annual events in the U.S., Europe and Japan. Throughout its 17 year history, RSA Conference has consistently attracted the world's best and brightest in the field, creating opportunities for conference attendees to learn about IT security's most important issues through first-hand interactions with peers, luminaries and both emerging and established companies. As the IT security field continues to grow in importance and influence, RSA Conference plays an integral role in keeping security professionals across the globe connected and educated. For more information and conference dates, visit www.rsaconference.com.

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.

©2008 Aladdin Knowledge Systems, Ltd. All rights reserved. eToken, 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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