<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET OF INTEGRATED INFORMATION SYSTEMS, INC. AS OF
SEPTEMBER 30, 2000, AND THE CONSOLIDATED STATEMENT OF OPERATIONS OF INTEGRATED
INFORMATION SYSTEMS, INC., FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<EXCHANGE-RATE> 1
<CASH> 1,774
<SECURITIES> 51,513
<RECEIVABLES> 17,621
<ALLOWANCES> 3,933
<INVENTORY> 302
<CURRENT-ASSETS> 69,321
<PP&E> 30,833
<DEPRECIATION> 5,983
<TOTAL-ASSETS> 98,889
<CURRENT-LIABILITIES> 10,840
<BONDS> 0
0
0
<COMMON> 21
<OTHER-SE> 82,292
<TOTAL-LIABILITY-AND-EQUITY> 98,889
<SALES> 43,171
<TOTAL-REVENUES> 43,171
<CGS> 24,659
<TOTAL-COSTS> 24,659
<OTHER-EXPENSES> 29,398
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,715
<INCOME-PRETAX> (9,171)
<INCOME-TAX> 0
<INCOME-CONTINUING> (9,171)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (9,171)
<EPS-BASIC> (0.49)
<EPS-DILUTED> (0.49)
</TABLE>