SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                     FORM 15

 Certification and Notice of Termination of Registration under Section 12(g) of
    the Securities Exchange Act of 1934 or Suspension of Duty to File Reports
       Under Sections 13 and 15(d) of the Securities Exchange Act of 1934

 Commission File Number        0-27742
                        ------------------------------------------------

                               CYLINK CORPORATION
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)

             3131 JAY STREET, SANTA CLARA, CALIFORNIA (408) 855-6000
            ---------------------------------------------------------
         (Address, including zip code, and telephone number, including
             area code, of registrant's principal executive offices)

                          COMMON STOCK, $0.01 PAR VALUE
         ----------------------------------------------------------------
            (Title of each class of securities covered by this Form)

                                      NONE
           -----------------------------------------------------------
           (Titles of all other classes of securities for which a duty
              to file reports under section 13(a) or 15(d) remains)

      Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports:

      Rule 12g-4(a)(1)(i)           [X]         Rule 12h-3(b)(1)(i)      [ ]
      Rule 12g-4(a)(1)(ii)          [ ]         Rule 12h-3(b)(1)(ii)     [ ]
      Rule 12g-4(a)(2)(i)           [ ]         Rule 12h-3(b)(2)(i)      [ ]
      Rule 12g-4(a)(2)(ii)          [ ]         Rule 12h-3(b)(2)(ii)     [ ]
                                                Rule 15d-6               [ ]

      Approximate number of holders of record as of the certification or
notice date:    1
              -----

      Pursuant to the requirements of the Securities Exchange Act of 1934,
Cylink Corporation has caused this certification/notice to be signed on its
behalf by the undersigned duly authorized person.

DATE:  February 5, 2003                         BY:  /s/ Anthony A. Caputo
                                                     ------------------------
                                                     Anthony A. Caputo
                                                     President and CEO