United States securities and exchange commission logo May 18, 2020 Brett Jackson Chief Executive Officer Cyren Ltd. 1430 Spring Hill Road, Suite 330 McLean, Virginia 22102 Re: Cyren Ltd. Registration Statement on Form S-3 Filed May 14, 2020 File No. 333-238266 Dear Mr. Jackson: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rule 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 Jeff Kauten, Attorney-Advisor, at (202) 551-3447, or in his absence, Jan Woo, Legal Branch Chief, at (202) 551-3453, with any questions. If you require further assistance, please contact Larry Spirgel, Office Chief, at (202) 551-3815. Sincerely, Division of Corporation Finance Office of Technology cc: Laurie L. Green, Esq.