<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED FINANCIAL STATEMENTS OF HARBINGER CORPORATION FOR THE QUARTER ENDED MARCH 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH CONSOLIDATED FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 14,109 <SECURITIES> 59,901 <RECEIVABLES> 37,926 <ALLOWANCES> 5,464 <INVENTORY> 0 <CURRENT-ASSETS> 114,238 <PP&E> 47,651 <DEPRECIATION> 23,944 <TOTAL-ASSETS> 156,164 <CURRENT-LIABILITIES> 49,731 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4 <OTHER-SE> 106,429 <TOTAL-LIABILITY-AND-EQUITY> 156,164 <SALES> 8,131 <TOTAL-REVENUES> 33,503 <CGS> 1,131 <TOTAL-COSTS> 11,757 <OTHER-EXPENSES> 20,190 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 2,454 <INCOME-TAX> 113 <INCOME-CONTINUING> 2,341 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,341 <EPS-PRIMARY> .06 <EPS-DILUTED> .06