Thanh Bui - Principal Security Researcher at Forcepoint

Thanh Bui

Principal Security Researcher at Forcepoint

Espoo, Finland

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Summary

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Senior

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Top School

Thanh Bui is a Principal Security Researcher based in Espoo, Finland with a decade of experience securing large-scale systems and building developer-friendly cryptography. He combines hands-on coding—contributing HMAC and key management implementations to the widely used open-source Tink crypto library—with applied security practices developed at enterprises like Nordea and consultancies such as Nixu. Thanh has led threat modeling, secure SDLC adoption, vulnerability and patch management for critical banking systems and delivered custom tooling and red-team assessments for diverse customers. His background spans Google crypto and Gmail security internships, a strong academic track in security (MSc/PhD work at Aalto/KTH), and early mobile and HCI research—an uncommon blend that helps him bridge rigorous research, practical engineering, and operational security.

10 years of coding experience

3 years of employment as a software developer

Master of Science (M.Sc.), Security and Mobile Computing, Master of Science (M.Sc.), Security and Mobile Computing at Aalto University

Master of Science (M.Sc.), Security and Mobile Computing, Master of Science (M.Sc.), Security and Mobile Computing at KTH Royal Institute of Technology

Bachelor of Science (B.Sc.), Computer Science, Bachelor of Science (B.Sc.), Computer Science at University of Engineering and Technology, Vietnam National University

English, Vietnamese

Github Skills (9)

key-management10

go10

hmac10

cryptography10

security10

c-language4

javas4

java4

cprogramming-language4

Programming languages (4)

C#JavaC++C

Github contributions (5)

tink-crypto/tink

Jun 2017 - Jul 2017

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Role in this project:

Back-end Developer & Security Engineer

Contributions:32 commits in 1 month

Contributions summary:Thanh primarily contributed to the development and implementation of cryptographic APIs within the Tink library, focusing on Message Authentication Codes (MACs). Their work included adding HMAC implementations, the KeyManager interface, and the Aead, PublicKeySign, and PublicKeyVerify interfaces. The user also refactored existing code, added key templates, and fixed validation issues, demonstrating a strong emphasis on security and the correct usage of cryptographic primitives.

securecryptographycppcross-languagemulti-language

tienthanh411/tienthanh411.github.io

Aug 2016 - Aug 2021

Contributions:6 pushes, 1 branch in 5 years

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