1. Fake Call Traffic Detection Keith Sequeira MSIS 5633 Analysis using Tableau Desktop

2. Background Verizon - Database Analyst Invoice Validation Auto Dialers - fake traffic 3. Auto Dialers Fake call traffic generation Software Hardware 4. Data Call Detail Records (CDR) Vendor 1 1 Month Bill cycle Oct 2011 Vendor 2 1 Month Bill cycle May 2011 3 Parts split randomly 5. Edit Data Tools - MS Access Created fields Limited data by date 6. Tableau Desktop From Phone Number To Phone Number Billable Time 7. Vendor 1 Auto Dialer Flat distribution of Billable Time NOT NORMAL 8. Vendor 1 - Basic Statistics Mean 0.1594 Standard Deviation 0.1531 Variance 0.02343 9. Vendor 2 Part 1 Suspected Auto Dialer Flat distribution of Billable Time NOT NORMAL 10. Vendor 2- Part 1 - Basic Statistics Mean 2.091 Standard Deviation 5.631 Variance 31.70 11. Vendor 2 Part 2 Suspected Auto Dialer Even distribution of Billable Time NORMAL 12. Vendor 2- Part 2 - Basic Statistics Mean 4.433 Standard Deviation 10.01 Variance 100.2 13. Vendor 2 Part 3 Suspected Auto Dialer Flat distribution of Billable Time NOT NORMAL 14. Vendor 2- Part 3 - Basic Statistics Mean 5.774 Standard Deviation 11.79 Variance 139.0 15. Conclusion HIGH VOLUME Same FROM number Same TO number Same Billable Time 16. Conclusion High likelihood of Fake Call Generation Need more research Thank you