Penetration testing
Targeted testing for web applications, networks, and APIs to uncover meaningful security weaknesses.
Discuss this service ↗< Independent security specialist />
DENNY
TRISETYO
PENETRATION TESTER · SECURITY CONSULTANT
I help businesses find real attack paths and turn uncertainty into practical security improvements.
// Available for security assessments & advisory work
WebAPPLICATION TESTING
APISECURITY ASSESSMENT
NetNETWORK REVIEW
24/7SUPPORT MINDSET
// About me
Helping teams turn exposure into practical resilience.
I am a Cybersecurity Specialist focused on high-impact penetration testing and security assessments for e-commerce, logistics, supplier, and automotive manufacturing organizations. My goal is to help businesses protect sensitive data, maintain compliance, and prevent financial loss through proactive testing.
By emulating real-world attack scenarios across payment systems, web applications, and cloud infrastructure, I identify critical weaknesses before adversaries can exploit them. I have tested 150+ applications and systems, delivering technical findings and executive-ready reports that help teams make informed security decisions.
150+APPLICATIONS TESTED
3 CriticalFINDINGS REMEDIATED
50+ HighRISK ISSUES RESOLVED
// Capabilities
Where I add signal.
Vulnerability assessment
Clear, risk-based visibility into security gaps with practical steps that help your team move forward.
Discuss this service ↗Security readiness
Strengthen your posture through attack simulation, awareness, and actionable guidance.
Discuss this service ↗// Experience
Where I have tested.
Penetration Tester
Confidential · Automotive Manufacturer
Conducted penetration testing across 150+ production and development web applications and systems. Identified critical and high-risk vulnerabilities, prepared detailed reports, and partnered with development teams to accelerate remediation.
Penetration Tester
OrderOnline.id · PT Ordivo Teknologi Indonesia
Performed recurring web and infrastructure testing across e-commerce domains, identifying SQL injection, XSS, and configuration issues while supporting remediation with development teams.
Penetration Tester
OExpress.id · PT Oexpress Logistik Indonesia
Tested logistics systems and supported practical remediation for web vulnerabilities and security configuration gaps.
Penetration Tester
Ostock Profitama Indonesia · OCademy
Conducted vulnerability assessments and security testing for supplier and online-learning platforms, producing actionable recommendations for safer operations.
// Process
Methodical work.
Useful outcomes.
- 01
Set the scope
Define systems, objectives, and business risk before testing begins.
- 02
Test with intent
Pair automated discovery with human-led validation to find real risk.
- 03
Report for action
Deliver evidence, priority, and practical remediation your team can use.
// Contact
Let us talk security.
For a tailored penetration test or security assessment, reach out directly. I respond quickly.
- detro80@gmail.com
- Location
- Jakarta, Indonesia
- /in/detro