Deputy Manager
MPT
Total years of experience :2 years, 2 Months
leakage on SMS Fraud and bypass international voice Fraud at MPT. Detailed Job Assignment (2017 Nov to 2019 Dec) at MPT
• Responsible for monitoring of CDRs (Voice, SMS, Data) within MPT Myanmar network prevent unauthorized usage for products and services.
• Run audit queries and manage fraud alarms on live data obtained from network operations and compare with corresponding billing data to ensure consistency.
• Checking and monitoring daily fraud reports from foreign vendors and analyze the results how many numbers fraud sims (MPT, Telenor, Ooredoo and Mytel) are detected comparing with the previous day results.
• Analysis on carrier wise traffic (IDD) with the sim box loss minutes by every hours from portal.
• Communicating with foreign vendors and discussing for the system performance and fraud results weekly report to submit to the Management.
• Dealing with other operators (Telenor, Ooredoo and Mytel) for file sharing system via ftp to block the detected fraud sims .
• Configure Fraud Alarms based on Potential threats and monitor them for false positives and closure of positive with root cause analysis. (If their sims are detected by Vendor and blocked by respective operator). Checking International Voice traffic revenue and SMS Reports every day.
• Interact with network and IT teams to implement voice connections and facilitate appropriate tests.
• Dealing with international voice team for the revenue loss and gain for each carriers' traffic with MPT network which has agreement.
• Support international voice team to increase international voice traffic by the detection of fraud
sims and not to lose the revenue leakage of the Company (International voice traffic bypassing grey routes or via Sim Boxes.
• Cooperation with IDD team for sim box loss minutes to get align with the actual traffic revenue.
• Checking daily SMS fraud reports from Orange vendor and replying and communicating to SMS Firewall teams (Fraud d etection Team) for fraud issues of some Contents via grey routes (illegally Bypassing MPT's network.
• Occasionally, communicate with IT Team for CDRs (Call Detailed Records) Issue (some CDRs files are not transferring to Vendor's side according to Network issues and VPN connection is down).
• Assist to Revenue Assurance & Fraud Management Consultant in Vendor's selection, performance of the vendor and analyze the call patterns of false positive numbers (Vendor's machine mistakenly catch those sims).
• Analyzing and observing false positive numbers from CVBS billing portal; handle detail analysis how many outgoing and incoming calls are having, calling from same cell IDs or different cells IDs, verifying real subscribers or sim box usages, etc.
• Helping to analyze the Wangiri Fraud Detection (International Bypass Outgoing Calls) to get alignment between Vendor's machine learning report and manual Analysis report.
• Assist PM for system integration of Wangiri Fraud Detection to get alignment between IT Team and Foreign Vendor (Sigos) for automatic blocking process.
• Communicating with NOC team and managing for the usage of virtual sims for further fraud detection cases; submit requests to S&D Director and respective Dept General Manager to issue the virtual fraud sim numbers in order to use by the foreign vendor (Sigos).
• Preparing SOP for False positive numbers complaint, sharing with call center to handle complaint from Customer Care for fraud sims.
• Preparing Dealer's ID report from everyday recorded fraud sims and check the DMS system which Dealers are sold out most of MPT detected fraud sims to the suspected customers with the cooperation of sales team and remind the sales person to take the responsibility and initiative. Handling Roaming analysis; checking DCH (Data Clearance house) sending and receiving roaming CDRs and FCH (Finance Clearance House) CDRS whether there's shortage or fraud issues for revenue leakage.