$ Guntur Wahyu Ramadhan
>Cybersecurity professional with expertise in security analysis, penetration testing, and implementing robust security solutions. Committed to protecting digital assets and addressing the latest cyber threats.
Education
Yogyakarta State University
Information Technology — Bachelor's Degree
2022 – 2026Universiti Tun Hussein Onn Malaysia
Online Inbound Mobility Programme: Project Management (Grade: A)
July 2023 – Sep 2023Achievements
1st Place — Incident Response Category, Rise The Ranger 2 CTF 2026
Top 5 Bug Bounty
1st Place – National Cyber Exercise #3 (BSSN)
Certifications
6Certified Ethical Hacker
Certified Secure Computer User v3
Certified API Red Team Analyst (API-RTA)
Certified Multi-Cloud Blue Team Analyst (MCBTA)
Certified Cyber Defence Analyst [CCDA]
Certified Network Security Practitioner (CNSP)
Work Experience
Information Security Engineer
Full Time- Leading detection engineering efforts, building and maintaining detection-as-code pipelines for scalable, version-controlled threat detection rules.
- Monitoring and tuning SIEM platforms for real-time alerting and log analysis across enterprise environments.
- Conducting threat intelligence research and proactive threat hunting to identify emerging attack patterns.
Penetration Tester
Full Time- Conducted penetration testing on web applications, mobile applications (Android & iOS), and servers.
- Performed security testing using rooted Android and jailbroken iOS devices to identify mobile vulnerabilities.
- Assisted in patch management activities and provided recommendations to improve system security
- Collaborated with clients to validate security fixes by performing retesting after patches were implemented.
Information Security Engineer Intern
Internship- Deployed and configured Tracecat as a SOAR platform, building automated playbooks for incident triage and response across Windows, macOS, and Linux endpoints monitored by Wazuh SIEM.
- Integrated Wazuh alerts with Tracecat workflows to automate threat detection and enrichment, reducing MTTR to security incidents.
Information Security Engineer Intern
Internship- Designed and deployed an automated vulnerability assessment system for 1000+ web applications.
- Developed custom scanning workflows aligned with OWASP Top 10, improving testing efficiency by 70%.
Information Security Engineer Intern
Internship- Implemented SIEM (Wazuh) for real-time log monitoring across 4 systems.
- Built SOAR workflows to automate incident handling, improving SOC response time by 90%.