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🎓 Pendidikan

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

Stanford University, California, USA
2010 - 2014

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

Stanford University, California, USA
2008 - 2010

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

Universitas Indonesia, Jakarta
2004 - 2008
gim999
Pendaftaran Pengguna Masuk

💼 Pengalaman Profesional

Lead Security Researcher

gim999
2019 - Present

Senior Security Engineer

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

Security Research Intern

Kaspersky Lab, Moscow, Russia
Summer 2013
gim999

📚 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.

Watch Talk →
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
gim999

🏆 Sertifikasi Profesional

CISSP - Certified Information Systems Security Professional

ISC2
Valid: 2026-2029

OSCP - Offensive Security Certified Professional

Offensive Security
Obtained: 2020

CEH - Certified Ethical Hacker

EC-Council
Valid: 2024-2027

GMOB - GIAC Mobile Device Security Analyst

GIAC (Global Information Assurance Certification)
Obtained: 2019
gim999

👥 Tim Expert Lainnya (31 Members)

AP

Ahmad Pratama

Senior Penetration Tester

10+ tahun experience dalam mobile security testing. Ex-Microsoft Security Response Center. Bug bounty hunter dengan 50+ CVE discoveries.

OSCP GPEN GMOB
LK

Linda Kusuma

Malware Analyst

Spesialisasi dalam reverse engineering Android malware. 8+ tahun di Kaspersky Lab. Published researcher di BlackHat & DEF CON.

GREM GCFA CEH
RF

Reza Firmansyah

ISO 27001 Lead Auditor

15+ tahun dalam information security management. Certified ISO 27001 Lead Auditor. Memastikan compliance dengan standar internasional.

ISO 27001 CISA CISM
DH

Dimas Hermawan

DevSecOps Engineer

7+ tahun dalam secure software development. Membangun CI/CD pipeline dengan security automation. Ex-Tokopedia Security Team.

CSSLP CKS AWS Sec
NR

Novi Rahmawati

Digital Forensics Specialist

9+ tahun dalam mobile forensics dan incident response. Certified forensics examiner. Membantu investigasi cyber crime untuk law enforcement.

EnCE GCFE CHFI
+26

26 Expert Lainnya

Security Researchers & Analysts

Tim multidisiplin mencakup malware analysts, penetration testers, security engineers, dan forensics specialists dari berbagai backgrounds.

Various Certs
👥 Lihat Semua Tim Members & Detail