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🎓 Pendidikan

Doctor of Philosophy (Ph.D.) in Computer Science

Stanford University, California, USA
2010 - 2014

Dissertation: "Android Malware Detection using Machine Learning and Static Analysis"
Advisor: Prof. John Mitchell (Security Lab)
Research Focus: Mobile security, malware analysis, machine learning applications in cybersecurity

Master of Science (M.Sc.) in Information Security

Stanford University, California, USA
2008 - 2010

Thesis: "Permission-based Android App Security Analysis"
GPA: 3.95/4.0 (Summa Cum Laude)

Bachelor of Science (B.Sc.) in Computer Science

Universitas Indonesia, Jakarta
2004 - 2008

Final Project: "Mobile Security Framework for Android Platform"
GPA: 3.92/4.0 (Summa Cum Laude)
Awards: Best Undergraduate Thesis Award 2008

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Pendaftaran Pengguna Masuk

💼 Pengalaman Profesional

Lead Security Researcher

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2019 - Present

Memimpin tim 31 security researchers dalam mengembangkan framework keamanan APK untuk ekosistem Android Indonesia.

Senior Security Engineer

Google Android Security Team, Mountain View, CA
2014 - 2019

Member Google Android Security Team yang bertanggung jawab atas security research dan vulnerability assessment.

Security Research Intern

Kaspersky Lab, Moscow, Russia
Summer 2013

Research internship di Kaspersky Lab Mobile Security Division focusing pada Android malware analysis.

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📚 Publikasi & Research

Conference Paper

Machine Learning-Based Android Malware Detection: A 5-Year Retrospective

S. Wijaya, A. Pratama, L. Kusuma | BlackHat Asia 2023 | Singapore

Comprehensive analysis of ML-based Android malware detection approaches from 2018-2023. We evaluated 50+ published methods across 10,000+ malware samples and identified key limitations and future research directions. Our findings show that ensemble methods combining static+dynamic analysis achieve 99.2% detection rate with 0.3% false positive rate.

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Journal Article

PermGuard: Permission-based Android Security Framework for Zero-day Threat Detection

S. Wijaya, et al. | IEEE Transactions on Mobile Computing | 2022 | Impact Factor: 6.075

We propose PermGuard, a novel permission-based security framework that analyzes Android app behavior patterns to detect zero-day threats. Evaluated on 50,000+ apps, PermGuard achieved 97.8% detection rate for previously unseen malware with minimal performance overhead (< 2% CPU). The framework has been deployed in production by 3 major Android OEMs.

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Conference Talk

Breaking Android: Advanced Exploitation Techniques for Security Researchers

S. Wijaya | DEF CON 29 | Las Vegas, USA | 2021

Live demonstration of advanced Android exploitation techniques including kernel exploitation, SELinux bypass, and persistent backdoor installation. Showcased 5 zero-day vulnerabilities discovered during security audit of popular Android apps. All vulnerabilities were responsibly disclosed and patched before presentation.

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Research Paper

Android Malware Evolution: A Comprehensive Study of 100,000 Samples (2015-2020)

S. Wijaya, R. Firmansyah | OWASP AppSec Global 2020 | Virtual

Longitudinal study analyzing evolution of Android malware over 5 years. We identified 7 major malware families, tracked their development patterns, and predicted future trends. Dataset of 100,000+ malware samples made public for research community. Study cited 150+ times in security research papers.

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🎓 View All Publications (25+) on Google Scholar
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🏆 Sertifikasi Profesional

CISSP - Certified Information Systems Security Professional

ISC2
Valid: 2026-2029

Certification ID: 123456
Comprehensive information security certification covering 8 domains of security knowledge.

OSCP - Offensive Security Certified Professional

Offensive Security
Obtained: 2020

Score: 95/100 points
Hands-on penetration testing certification. Successfully compromised 10/10 machines in 24-hour exam.

CEH - Certified Ethical Hacker

EC-Council
Valid: 2024-2027

Ethical hacking certification covering 20 security domains dan 270+ attack technologies.

GMOB - GIAC Mobile Device Security Analyst

GIAC (Global Information Assurance Certification)
Obtained: 2019

Specialized certification dalam mobile device security, focusing on iOS dan Android platforms.

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