Aladdin Awarded ISO 14000 Certification

CHICAGO, October 20, 2005 - Aladdin Knowledge Systems (NASDAQ: ALDN), the worldwide leader in Software Digital Rights Management (DRM) and USB-based authentication solutions, and a leading innovator in enterprise secure content management, today announced it has gained ISO 14000 certification. Aladdin facilities are now certified as meeting strict requirements aimed at minimizing harmful effects on their surroundings.

The only internationally recognized standard for environmental management, ISO 14000 certification stands as a strong illustration of a company's determination to uphold constant implementations of high environmental standards. Both internal and third-party audits are required to continue certification. Awarded by the International Organization for Standardization, such certifications are designed to stimulate continual, ongoing improvements in environmental performance.

"Always mindful of environmental impacts, we are pleased to receive the highly respected ISO 14000 certification for our facilities," said Yanki Margalit, CEO of Aladdin Knowledge Systems. "We see ISO 14000 certification as another symbol of Aladdin's commitment and responsibility to the global community."

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.

©2002-2005 Aladdin Knowledge Systems, Ltd. All rights reserved. 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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