September 28, 2018

Eric Spindel
General Counsel
Cyren Ltd.
1430 Spring Hill Road, Suite 330
McLean, Virginia 22102

       Re: Cyren Ltd.
           Registration Statement on Form F-3
           Filed September 21, 2018
           File No. 333-227493

Dear Mr. Spindel:

       This is to advise you that we have not reviewed and will not review your
registration
statement.

        Please refer to Rules 460 and 461 regarding requests for acceleration.
We remind you
that the company and its management are responsible for the accuracy and
adequacy of their
disclosures, notwithstanding any review, comments, action or absence of action
by the staff.

      Please contact Matthew Crispino, Staff Attorney, at (202) 551-3456 or Jan
Woo, Legal
Branch Chief, at (202) 551-3453 with any questions.



                                                            Sincerely,

                                                            Division of
Corporation Finance
                                                            Office of
Information Technologies
                                                            and Services
cc:    Laurie L. Green