FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer

Pursuant to rule 13a – 16 or 15d – 16
of the Securities Exchange Act of 1934

For the month of January 2009

ALADDIN KNOWLEDGE SYSTEMS LTD.
(Translation of registrant’s name in English)

35 Efal Street, Petach Tikva, Israel
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports
under cover Form 20-F or Form 40-F.

Form 20-F x Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper
as permitted by Regulation S-T Rule 101(b)(1):________

Indicate by check mark if the registrant is submitting the Form 6-K in paper
as permitted by Regulation S-T Rule 101(b)(7):________

Indicate by check mark whether by furnishing the information contained in this
Form, the registrant is also thereby furnishing the information to the
Commission pursuant to Rule 12g3 – 2(b) under the Securities Exchange Act of 1934.

Yes o No x

If “Yes” is marked, indicate below the file number assigned to the registrant
in connection with Rule 12g(3)-2(b): 82-___________

On January 12, 2009, Aladdin Knowledge Systems Ltd. (the “ Registrant ”) issued a press release announcing a merger agreement between the Registrant and an affiliate of Vector Capital. A copy of the press release is attached hereto as Exhibit A .

This Form 6-K is being incorporated by reference in all effective registration statements filed by the Registrant under the Securities Act of 1933.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.