This thesis focuses develops an automatic incident report system which provides Whois search function, incident report handlers can proceed to Whois search without any other tools and time-consuming training. The incident report system transforms the incident report e-mail into database. The TWCERT/CC staffs can immediately analyze incident report data, and attack tendency. This thesis brings following contributions: A. Reduce human and time resources Organization uses the incident report system developed by this thesis can save the workload of staffs and help staffs efficiently handle incident reports. B. Effective make use of incident report information This research transforms e-mail message into database, uses database is more effective to calculate variety of statistic values. C. Speed up reaction time Processing the incident reports requires heavy human workload. Using automatic incident report system timely cope with incident report, can make organization speed up reaction time.