Telecom · Fraud Prevention · AI-Augmented

Yuridyo
Prasetyo

A2P monetization specialist and fraud prevention engineer at Infobip, with over a decade defending mobile operator revenue across APAC, MENA, and the Americas. Currently dual product champion for Voice Firewall and SMS Firewall penetration testing.

10+
Years in Telecom
20+
MNO Deployments
9
AI Tools Built
55
FR Injector Operators
FCDX Voice Firewall Champion · 2025–Present
FR Injector Champion · 2026
★ Exceptional Performance · 2025 IPC
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A2P MonetizationSMS FirewallVoice FirewallFraud DetectionSS7 / MAP SignalingFlash Call DetectionMSISDN AnalysisSIM Box DetectionGrey Route EliminationCDR-Based AnalyticsFR InjectorFCDX Champion A2P MonetizationSMS FirewallVoice FirewallFraud DetectionSS7 / MAP SignalingFlash Call DetectionMSISDN AnalysisSIM Box DetectionGrey Route EliminationCDR-Based AnalyticsFR InjectorFCDX Champion
00 — About

Telecom Engineer.
AI Practitioner.

Both the hunter and the gamekeeper, simulating bypass attacks while building the defenses that stop them.

I'm a telecom monetization specialist with over a decade of experience protecting mobile operator revenue from fraud, grey routes, and bypass traffic. Based in Indonesia, I work at Infobip where I serve as a managed services engineer across A2P SMS and Voice Firewall deployments spanning APAC, MENA, and Latin America.

In 2025, I became Infobip's FCDX Voice Firewall Champion — and in 2026 added FR Injector Champion to that, making me the dual product champion across both voice and SMS fraud prevention platforms. As FR Injector Champion, I coordinate SS7/MAP penetration testing across 55 operator deployments to validate firewall effectiveness against real-world bypass techniques.

Alongside my telecom work, I've embraced AI-augmented engineering — shipping 4 production tools using Claude Code in 7 weeks with zero prior frontend experience, driving AI adoption enterprise-wide through documented workflows and 45 Confluence artifacts.

Location Jakarta, Indonesia
Current Role Product Technician → Engineer (in progress)
Company Infobip Ltd.
Specialization A2P Monetization · Fraud Prevention
Champion Titles FCDX + FR Injector (dual 2026)
AI Tools Shipped 4 in production · Claude Code
Open To Freelance · Consulting · New roles
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01 — AI Builds

Vibe Coded.
Shipped in Production.

9 tools built with Claude Code across production, knowledge, and personal projects.

9
Tools Built
37h
AI Work Logged
45
Confluence Docs
7w
Time to Ship
Production Tools
01
Voice Prefix Leakage Detector
Claude Code · HTML · JavaScript · FCDX API
+ Details
Standalone tool that analyzes voice traffic data to automatically detect fraudulent prefix patterns and generate blocking recommendations. Validated across multiple operator deployments. Includes startup automation for scheduled runs. Replaced manual prefix analysis across 2 live deployments, reducing detection time from hours to minutes. Deployed to 6 operator environments.
● Production
02
PingOcean Converter
Claude Code · HTML · PDF.js · SheetJS · Chart.js
+ Details
PingOcean's Excel export is broken and only PDF works, leaving analysts with unusable raw output. This tool parses both PDF and Excel PingOcean penetration test reports, reconstructs the data, auto-generates Gatekeeper-ready IDP prefix blocking rules (configurable 4-8 digit length), and renders 4 visual charts. 100% client-side. Analysis and rule generation cut from approximately 1 hour to under 10 minutes, an 83% time reduction.
● Production
03
SBDX Manual Override
Claude Code · HTML · Chart.js · SBDX API
+ Details
AI-assisted spam classification and blocking rule generator for SMS Bypass Detection. Analyzes sender patterns, traffic anomalies, and content signals to produce automated blocking recommendations, reducing reliance on manual analyst review. Automates the most time-consuming part of the SBDX review workflow.
● Production
04
MSISDN Bulk Validation Engine
Claude Code · HTML · JavaScript · libphonenumber · FCDX Prefix DB
+ Details
Standalone browser-based fraud detection tool that validates MSISDNs from FCDX, SBDX, and SMPP/SS7 reports against a database of 714,934 operator prefixes across 267 countries and 1,813 networks. Built to address a recurring gap in FCDX engagements: no existing tooling could validate MSISDN existence separately from call pattern analysis. Detects fabricated numbers used in OTP fraud and flash call injection, and flags country-indicator spoofing via cross-reference mismatch. Runs entirely in-browser with no server or installation required. Auto-detects report format (FCDX Caller MSISDN, SBDX Sender, SMPP/SS7 Sender ID) and handles bulk exports through chunked processing.
● Production
Knowledge Tools
05
FCDX Monthly Infographic
Claude Code · HTML · CSS · Confluence Integration
+ Details
Dynamic monthly program dashboard that auto-populates from Confluence and Jira data, tracking deployments, activity timelines, achievements, product improvements, and team metrics. Replaced manual PowerPoint reporting for the FCDX Champions team. Eliminated manual slide deck creation, published to Confluence each month powering Q1 2026 FCDX Champion reporting.
● Internal
06
Interactive Voice Leakage Knowledge
Claude Code · HTML · CSS · JavaScript
+ Details
Interactive educational presentation on voice traffic leakage: how bypass fraud works, the economics behind it, and how it can be detected and stopped. Built entirely from internal research and field discussions with the voice product team. Topics covered include threat anatomy, bypass channel types, billing model comparison, cost analysis, detection phases, regional breakdown, and forward projection. Enriched through AI-assisted research with Claude Code and crafted with an interactive section-by-section navigation. Published to Confluence for internal use.
● Internal
07
FR Injector Bypass Knowledge Bank
Claude Code · Streamlit · Python · Claude Sonnet · Slack API
+ Details
AI-powered knowledge base for FR Injector bypass cases, centralizing 196 documented vulnerabilities across multiple operator deployments. Engineers query the KB in natural language to instantly retrieve replication steps, detection methods, and active status for any bypass type, eliminating hours of manual search through Slack threads and Confluence documentation. Estimated 83% reduction in leakage identification time (from approximately 2 hours to 20 minutes per investigation) and 83% reduction in per-member knowledge lookup effort (from approximately 1 hour to 10 minutes per case). Includes Slack thread auto-extraction for new bypass cases and structured tagging by bypass type, affected network, and FR Injector service. In development, not yet deployed.
● In Development
Personal Sites
08
serilaga.com — Portfolio Site
Claude · HTML · CSS · JavaScript · Vibe Coding
+ Details
This entire site was vibe-coded using Claude (claude.ai), designed, built, and iterated through natural language prompts without writing a single line of code manually. A live demonstration of what an AI-augmented specialist can ship independently. Zero frontend background. Full production site with animations, responsive layout, and a refined editorial design system. Built iteratively across sessions.
09
yuridyo.com — Personal Site
Claude · HTML · CSS · JavaScript · Vibe Coding
+ Details
Personal web presence vibe-coded with Claude, built and iterated through natural language prompts. A second live site demonstrating AI-augmented web development without prior frontend experience.
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02 — Projects

Global
Deployments.

20+ MNO engagements across Southeast Asia, South Asia, the Middle East, the Caribbean, and Latin America.

I
2025 — Present · Voice Firewall
FCDX Champion
Flash Call Detection Accelerator · Infobip
Selected as FCDX Champion for Q4 2025, continuing through 2026. Beyond product advocacy, built and deployed 4 AI-powered tools using Claude Code into live operations: a Voice Prefix Leakage Detector, a PingOcean Penetration Test Converter (83% time reduction), an SBDX Manual Override, and an automated monthly reporting dashboard. Drove internal AI adoption from zero to documented enterprise workflows within 7 weeks — 37 hours logged, 45 Confluence artifacts created.
II
2026 — Present · SMS Firewall
FR Injector Champion
Fraud Route Injector · Infobip
Named FR Injector Champion for 2026, representing the Managed Services team for Infobip's SMS Firewall penetration testing program. FR Injector validates fraud detection effectiveness by injecting manipulated SS7/MAP signaling — SRI, FSM-MT, and TCAP packets — across 55 deployments in 4 tiers. Role covers driving testing adoption, tracking compliance, coordinating 1:1s with team members across APAC and LATAM, and working directly with Product Development on firewall improvements.
SMS Firewall
11 operators · Southeast Asia, South Asia, Middle East, Caribbean, Pacific
11
Southeast Asia
UNN
Brunei
Ongoing
Southeast Asia
Smart
Cambodia
Ongoing
South Asia
Teletalk
Bangladesh
Ongoing
Middle East
Korek Telecom
Iraq
Ongoing
Southeast Asia
Smart Communications
Philippines
Ongoing
Caribbean
Digicel
Caribbean
Ongoing
Southeast Asia
PLDT
Philippines
Ongoing
Pacific
Vodafone Fiji
Fiji
Ongoing
Southeast Asia
Globe Telecom
Philippines
Ongoing
Southeast Asia
DITO Telecommunity
Philippines
Ongoing
Southeast Asia
Indosat Ooredoo
Indonesia
Ongoing
Voice Firewall
6 operators · Southeast Asia, South Asia, Middle East, Africa
6
Southeast Asia
UNN
Brunei
Ongoing
South Asia
Teletalk
Bangladesh
Ongoing
Middle East
Korek Telecom
Iraq
Ongoing
Africa
Vodacom
Tanzania
Ongoing
Southeast Asia
Smart Communications
Philippines
Ongoing
Africa
Airtel
Uganda
Ongoing
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03 — Experience

10+ Years.
Two Companies.

01
Sep 2023 — Present
Infobip Ltd.
Product Technician (→ Engineer)
Managed services specialist for A2P SMS and Voice Firewall across 20+ MNO deployments. Dual product champion for FCDX Voice Firewall and FR Injector SMS penetration testing. Shipped 4 AI-powered production tools using Claude Code. Recognized for Exceptional Performance in 2025 IPC.
More details

Key responsibilities span traffic monitoring and leakage analysis, grey route detection and elimination, MSISDN range analysis, SIM box detection via CDR signals, and firewall optimization across complex multi-operator environments. As FCDX Champion, drove AI adoption from zero to documented enterprise-level workflows in 7 weeks. As FR Injector Champion, coordinating SS7/MAP penetration testing compliance across 55 deployments in 4 tiers across APAC and LATAM.

02
2015 — Sep 2023
Telin (PT Telekomunikasi Indonesia International)
Network & Technical Operations Engineer
8+ years across network operations, DDoS mitigation, CDN management, and technical support in a Telkom Indonesia subsidiary operating across 17 countries. Awarded Best on Duty in 2022 and 2023.
More details

Operated carrier-grade infrastructure including Genie Networks scrubbing systems for DDoS mitigation, Layer 3 & 7 security, Juniper routing and switching, and cross-border BGP management. Built expertise in large-scale network operations, SLA compliance, and multi-service technical support before transitioning to telecom fraud prevention at Infobip.

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04 — Skills

Telecom.
AI. Security.

Telecom & Fraud
A2P SMS Monetization Voice Firewall (FCDX) FR Injector / SS7 Testing SIM Box Detection Grey Route Elimination MSISDN Range Analysis Flash Call Detection CDR-Based Analytics SMS Firewall CLI Spoofing / STIR-SHAKEN SIP / SS7 Protocols E.164 Numbering OTP Voice Delivery MNO Relationship Management
AI & Development
Claude Code (Vibe Coding) Prompt Engineering AI-Augmented Workflows HTML / CSS / JavaScript Chart.js / PDF.js / SheetJS Confluence / JIRA Data Analytics SQL (Fundamentals) Python (Fundamentals) Enterprise Documentation
Network & Security
Network Engineering DDoS Mitigation Juniper Networks (JNCIA) Cisco Networking (CCNA) BGP Routing Layer 3 & 7 Security CDN Management Genie Scrubbing Systems Technical Support SLA Management
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05 — Journey

Education,
Certs & Awards.

2026
Infobip
FR Injector Champion
Recognition

Named FR Injector Champion for 2026, representing the Managed Services team as product advocate for Infobip's SMS Firewall penetration testing program. FR Injector validates firewall effectiveness by injecting manipulated SS7/MAP signaling packets (SRI, FSM-MT, TCAP) to simulate real-world bypass techniques across 55 operator deployments in 4 tiers: TOP6 and Tier 1 tested monthly, Tier 2 quarterly, and Tier 3 every 6 months. The role covers driving testing adoption across APAC and LATAM teams, coordinating with 17 engineers, tracking compliance via automated dashboards, and working directly with Product Development on firewall rule improvements. As part of the role, built the FR Injector Testing Adoption Tracker, an AI-powered web application providing real-time visibility into testing compliance, overdue networks, and team performance across all deployments. Holding this title alongside the FCDX Voice Firewall Champion role, making it a dual product champion position across both voice and SMS fraud prevention platforms.

Anthropic
Anthropic AI Courses
Course

Self-paced courses from Anthropic Academy covering Claude Code fundamentals, prompt engineering, tool use, and the Model Context Protocol (MCP). Tracks span AI Fluency, Product Training, and Developer Deep-Dives.

2025
Infobip
Flash Call Detection Accelerator — Voice Firewall Champions
Recognition

Named FCDX Champion starting Q4 2025, continuing through 2026. Shipped 4 AI-powered tools using Claude Code, logged 37+ hours of AI-driven development, and drove internal AI adoption to documented enterprise-level workflows across 45 Confluence artifacts within 7 weeks.

2024
Infobip
Infobip Indonesia Best Talent
Award

Recognized as Infobip Indonesia's Best Talent — an internal award given to standout performers within the Indonesian team who demonstrate exceptional skill, initiative, and contribution to business outcomes.

2023
Telin
Best on Duty
Award

Awarded Best on Duty by Telin in recognition of outstanding performance and dedication. Given to engineers who demonstrate exceptional reliability, technical skill, and commitment to SLA compliance across complex multi-service environments.

Imperva
The DDoS Threat Landscape
Certification

Certification from Imperva covering the evolving DDoS threat landscape, including attack types (application layer, network layer, DNS amplification), geopolitical attack patterns, and strategic defense recommendations.

2022
Telin
Best on Duty
Award

Consecutive award for outstanding performance, reliability, and technical excellence in network operations. Reflects consistent high performance across complex carrier-grade environments.

RevoU
Data Analytics Intro
Course

Introductory data analytics from Indonesia's largest professional skilling platform. Covered SQL, Python, and data visualization — building the analytics foundation for CDR-based fraud analysis work.

Juniper Networks
Juniper Networks Certified Associate (JNCIA)
2018–2022 Certification
2019
Genie Networks
Genie Scrubbing System Certification
Certification

Certified in Genie Networks' carrier-grade DDoS scrubbing center technology, covering multi-layered protection against volumetric and application-layer attacks deployed in ISP and telecom operator environments.

Cisco
Cisco Certified Network Associate (CCNA)
2016–2019 Certification
2014
BINUS University
Bachelor of Computer Science — Management Information Systems
2009–2014 Degree

Double degree program in Management Information Systems and Economics at one of Indonesia's leading private universities. Combines IT and business to bridge the gap between technical expertise and commercial strategy.

BINUS University
Bachelor of Economics
2009–2014 Degree
2012
Manchester Met University
International Business Short Course
Course
Manchester Met University
Business Presentation — Gold Award
Award

Gold Award for Best Business Presentation during the Manchester Metropolitan University International Business short course. Awarded for outstanding delivery, clarity of communication, and strategic content assessed by university faculty.

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06 — Reviews

Managers
& Colleagues.

2023
Fully Meets &
Sometimes Exceeds
2024
Successfully Meets
Expectations
2025
★ Exceptional
Performance
Manager · 2025 IPC · Exceptional Performance

"You took over a demanding project in a relatively short time, and were able to adapt and make sure there are no setbacks. You also contributed a lot to development of FCDX. Your inputs since you took over the champion role made it easier for our PD and devs to know what to focus on. Taking into account the complexity of both, which is typically above the scope of your current role, you showed you have the will and potential to perform really well. Kudos to you for that!"

Alen V.
Monetization Analytics Team Lead · Profitability
2025
Manager · 2024 IPC · Successfully Meets Expectations

"You have become much more independent over the past year and a more reliable team member. You now have a solid understanding of the business and can effectively use the firewall tools. Despite the challenges, you've still performed well overall, especially in a key APAC deployment, which turned out to be a much better deal than we initially expected, despite it being your first live deployment. You've also had success using the FCDX module in a key MENA deployment. Keep up the good work, and continue to build on your strengths!"

Romina F.
Head of Business Analytics · Profitability
2024
"Something I really appreciate about Yuridyo is his drive to improve our product. Also you can tell he's always curious and working to understand the product on a deeper level."
Roko B.
Software Engineer · Engineering · 2025
"He demonstrates strong analytical and communication skills. Collaborating with him is both effective and a real pleasure. Yuridyo has contributed many valuable ideas on how to improve FCDX's efficiency and better adapt the product for the MS team. He quickly understands what needs to be done, how to approach it efficiently, and where to find the necessary information."
Anton B.
Senior Product Engineer · Profitability · 2025
"Yuridyo is very proactive and has always displayed a hands-on approach when handling FCDX. He often requests new thresholds on deployments and actively follows the changes in flash caller behavior. He has detected strange behavior on deployments and hastily reported it to the appropriate channels. He often inquires about new features and asks for clarification of current ones, showing that he has become quite knowledgeable about the product. He has improved caller classification and flash caller detection by requesting good and well-researched thresholds. He is very active on FCDX meetings and asks good questions / provides constructive criticism."
Marko Š.
Software Engineer · Engineering · 2025
"Yudo is eager to learn and always ready to help if it is in his power in any way. As one of the FCDX champions, I trust he will invest even more time and effort to get an even better grasp of this product and become more confident in his role."
Ana S.
Product Manager · Product · 2025
"Yuridyo is very knowledgeable when it comes to monetization and our firewall, and is very helpful to our telco clients whenever they have any requests."
Robin B.
Solution Architect · Partnerships · 2024
"Mr. Yuridyo is a very proactive professional and takes full responsibility of his customer communication. Dedication, solves problems with utmost sincerity and well organized."
Rakib H.
Partner Growth Manager · Partnerships · 2024
"Yuri is a great guy to work with. I love his "getting the job done" attitude regardless of who's responsible for doing it. Keeping in touch with clients and supporting them even after hours."
Badr A.
Solution Architect · Partnerships · 2024
"Yuridyo has provided good team collaboration as a colleague. I work with him for one project where he's very responsive and helpful."
Lia L.
Invoicing Specialist · Finance · 2024
"Yudo has a remarkable ability to understand integration effortlessly and can adapt well to work systems, such as responding to emails and handling customer complaints excellently."
Febi R.
Product Engineer · Profitability · 2023
"Yudo is someone who easily absorbs knowledge and understands things with just one explanation. I believe it won't take long for him to master whatever he sets his mind to."
Ewaldo Z.
Product Engineer · Profitability · 2023
"Yuridyo always seeks to do his best in the projects we work on together. He demonstrated willingness to learn and improve himself to be better. He can research on his own and takes initiative to drive his own learning and self-development."
Raymond T.
Partnerships Expert · Partnerships · 2023
"Endorsed values: Challenge with Respect · Break Down Silos and Win as a Team · Customer Centric"
Muhammad R.
Technical Managed Services Engineer · 2024
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07 — Contact

Let's
Connect.

Open to new opportunities, collaborations, and conversations about telecom, A2P monetization, fraud prevention, and AI-augmented engineering.

Send a Message