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Hoang DoHD
Looking for a job

Hoang Do

@hoangdo

As a Security Researcher with proven HackerOne experience, I am looking for an AppSec or Penetration Tester role. I love breaking systems to find flaw

Singapore
Message

Through HackerOne, Intigriti, and Bugcrowd, I conduct vulnerability assessments and penetration testing on enterprise web applications and APIs. I investigated account takeover flaws involving OAuth state synchronization and stale email persistence, and tested privilege escalation and broken RBAC enforcement in enterprise APIs.

For my Master's thesis, I developed Linux malware to study evasion techniques and built an eBPF-aware detection framework in an ELK Stack environment. I also created a labeled Linux attack dataset and, in an independent project, used Elastic Stack, Fleet Server, and Auditbeat to examine security telemetry and hunt for command-and-control activity.

Experience

Work history, roles, and key accomplishments

HB
Current

Independent Security Researcher

HackerOne, Intigriti, Bugcrowd

Sep 2026 - Present (2 months)

Executed continuous vulnerability assessments and penetration testing across enterprise web applications and API architectures, aligning with OWASP Top 10 methodologies. Investigated and reported complex account takeover flaws and privilege escalation vectors, and automated assessments using custom scripts and tooling.

MT
Current

Academic Researcher - Linux Malware Development & eBPF-Based Detection

Master's Thesis

Jul 2026 - Present (4 months)

Developed custom Linux evasion malware leveraging LD_PRELOAD hijacking and io_uring abuse, mapping techniques to MITRE ATT&CK. Engineered an eBPF-aware detection framework within an ELK Stack environment using custom KQL/Sigma rules and unsupervised machine learning.

DA

CTF Competitor

DEFCON, UIUCTF, AerospaceVillageStarPwn

Jan 2026 - Dec 2026 (11 months)

Participated in elite InfoSec environments, identifying and reproducing web infrastructure vulnerabilities. Programmed custom scripts for log parsing and automated reconnaissance to improve testing efficiency during live infrastructure assessments.

IP

Implementation Project & SOC Analyst (Independent Project)

Independent Project

Jan 2026 - Jul 2026 (6 months)

Architected and monitored a localized security telemetry environment to simulate enterprise threat detection and incident response workflows. Deployed Elastic Stack, Fleet Server, and Auditbeat to ingest endpoint telemetry and analyze network traffic, and authored custom KQL queries for threat hunting.

Education

Degrees, certifications, and relevant coursework

Coventry University logoCU

Coventry University

Master, Cybersecurity

2025 -

Activities and societies: Member of the Cybersecurity Club; participated in Capture The Flag (CTF) events; assisted in coordinating graduation events for the alumni association.

Pursuing a Master's degree in Cybersecurity. Assisted workshops and guest lectures as a member of the university's Cybersecurity Club and participated in CTF events with a team of four.

NE

NIIE (NTT Institute of International Education)

Bachelor, Information Technology

2020 - 2024

Earned a Bachelor's degree in Information Technology. Thesis on Software Defined Networking (SDN). Also earned certifications in networking and MCSA+.

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