Jiayi S

@sunjiayi760

Independent Security Researcher

China

Chinese, English

About me

Independent security researcher with hands-on experience in binary reverse engineering, Windows kernel analysis, and mobile app security. Acknowledged by Microsoft for discovering CVE-2026-50402 (Windows NTFS Elevation of Privilege, CVSS 7.8), affecting all supported Windows versions. Core skills: Python scripting, binary analysis (IDA Pro, Frida, Ghidra), Windows driver reverse engineering, Android APK analysis (jadx), desktop application development, embedded systems (ESP32/ESP-IDF). I deliver working code, not promises. Text communication only.... Read more

Skills

Python developer
Binary analysis expert
Cybersecurity & data protection expert
Windows tablet expert
Windows application expert

Jiayi S

Offline •

Average response time: 1 hour

See my services

Programming & Tech

I will create python scripts, automation tools and reverse engineer binaries

Message Jiayi S

AwayAvg. response time: 1 Hour

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Jiayi S