An Thiên
Security Engineer at GRADION
Da Nang, Vietnam
Summary
🤩
Rockstar🎓
Top SchoolAn Thiên is a Security Engineer and experienced pentester from Da Nang with seven years in offensive security, currently with GRADION and an active member of the Synack Red Team. He earned Synack Hero of the Year 2025 by discovering high-severity vulnerabilities for Fortune 500 and government clients, and previously performed deep white-box testing and zero-day research at VNPT Cyber Immunity. Strongly grounded in secure development, he has built backend systems with MEAN/MERN stacks while keeping a focus on exploit mitigation and data integrity. A regular CTFer and public CVE reporter under the handle @ancorn_, he blends hands-on adversary techniques with pragmatic remediation guidance. Notably, he moves between code-level source reviews and advanced exploitation, surfacing issues that automated tools often miss. Ambitious and research-driven, he brings both competitive red-team experience and practical engineering chops to secure complex systems.
8 years of coding experience
1 year of employment as a software developer
Bachelor's degree, Computer and Information Systems Security/Information Assurance, Bachelor's degree, Computer and Information Systems Security/Information Assurance at FPT University
Github Skills (11)
gadget10
poc10
exploit10
utilities10
vulnerability9
javascript9
lodash9
deserialization9
serialization8
java8
jvm8
Programming languages (2)
Github contributions (5)
an040702/ctf
Mar 2023 - Jun 2025
Contributions:6 pushes, 1 branch in 2 years 3 months
ngothienan/ngothienan.github.io
Feb 2026 - Mar 2026
Contributions:5 pushes in 7 days
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