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© 2026 Yehezkiel Wiradhika

CTFs, Hackathons and Conferences

Competitive programming events, national cybersecurity CTFs, business hackathons, and technical conference participations.

Capture The Flags (CTFs)
CTF Writeups

Capture The Flags (CTFs)

A compilation of CTF writeups and solutions covering Web Exploitation, Cryptography, Reverse Engineering, Forensics, and PWN.

CTFCyber SecurityWeb ExploitationCryptographyBinary Exploitation
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Indonesia Gen AI Tour 2024 by AWS UG Surabaya
Conference

Indonesia Gen AI Tour 2024 by AWS UG Surabaya

Participated in AWS User Group Surabaya's GenAI Tour at ISTTS, exploring enterprise Generative AI workflows, LLM orchestration with Claude/Llama, and AWS PartyRock.

AWSGenerative AILLMsClaudeLlama
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ITS Nabu Cyber Range Training 2024
Training / Workshop

ITS Nabu Cyber Range Training 2024

Hands-on red teaming and blue teaming training in simulated enterprise network environments, covering Metasploit exploitation, SOC workflows, and malware triage.

Cyber RangeRed TeamingBlue TeamingMetasploitSOC
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PyCon Indonesia 2024
Conference

PyCon Indonesia 2024

Attended PyCon Indonesia 2024 in Yogyakarta, engaging in sessions on Python high-performance computing, distributed ML/DL inference with TPUs/GPUs, and Open Source Intelligence.

PythonPyConMachine LearningDeep LearningGPU Computing
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ITS Youth Technopreneurship (IYT) 2024 — Muncak Kuy
Competition (1st Place)

ITS Youth Technopreneurship (IYT) 2024 — Muncak Kuy

Won Rp12,000,000 in technopreneurship incubation funding for Muncak Kuy, a specialized hiking equipment e-commerce and rental platform.

IYTTechnopreneurshipE-CommerceLaravelNode.js
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FTIRS Business Competition (FBC) 2024
Competition (1st Place)

FTIRS Business Competition (FBC) 2024

Awarded 1st Place at FTIRS National Business Competition for architecting an interior design fullstack platform with Go microservices, Next.js, and automated CI/CD.

Competition1st PlaceGoMicroservicesNext.js
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Bank Indonesia & OJK Hackathon 2025
Hackathon Proposal

Bank Indonesia & OJK Hackathon 2025

Authored technical project proposals for Real-Time Fraud Detection & Prevention (SIEM-SOAR with ML integration) and Automated ML Tax Compliance systems.

Bank IndonesiaOJKHackathonFraud DetectionMachine Learning
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