Exhibit 23.3




We hereby consent to incorporation by reference in this  Registration  Statement
on Form S-3 of our report,  dated  March 24,  2000,  on Form 10-K of  Stratesec,
Incorporated  for the year  ended  December  31,  1999.  We also  consent to the
reference  to our  Firm  under  the  captions  "Experts"  in the  aforementioned
Registration Statement.



                                /s/ KELLER BRUNER & COMPANY, LLP
                                    Keller Bruner & Company, LLP

Frederick, Maryland
June 9, 2000