<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