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                                                                    EXHIBIT 23.5

                             [CHASE H&Q LETTERHEAD]


October 31, 2000


                        CONSENT OF CHASE SECURITIES INC.

          We hereby consent to (i) the inclusion of our opinion letter, dated
July 26, 2000, to the Board of Directors of AXENT Technologies, Inc. as Appendix
C to the Joint Proxy Statement / Prospectus forming part of this Registration
Statement on Form S-4, and (ii) references made to our firm and such opinion in
such Proxy Statement / Prospectus under the captions entitled "Questions and
Answers about the Merger," "Summary -- Opinions of Financial Advisors," "The
Merger -- Background of the Merger," "The Merger -- AXENT's Reasons for the
Merger," and "The Merger -- Opinion of AXENT's Financial Advisor." In giving
such consent, we do not admit that we come within the category of persons whose
consent is required under Section 7 of the Securities Act of 1933, as amended,
or the rules and regulations of the Securities and Exchange Commission
promulgated thereunder, and we do not admit that we are experts with respect to
any part of the Registration Statement within the meaning of the term "expert"
as used in the Securities Act of 1933, as amended, or the rules and regulations
of the Securities and Exchange Commission promulgated thereunder.

Very truly yours,

CHASE SECURITIES INC.


By:  /s/ Peter Everett
     -------------------
     Name: Peter Everett
     Title: Principal