About

Work Experience

• Offensive Security Consultant, Ernst & Young

  Jul, 2024 - Present

  Conduct vulnerability assessments and penetration testing services for global enterprise clients and local clients across financial services, industrial, and technology sectors.

  • Tested authentication, MFA and business logic controls in high-value flows, covering server-side validation gaps

  • Bypassed rate limiting, input validation and upload controls through payload crafting

  • Maintained communication with stakeholders involved throughout engagements, keeping them updated on progress

  • Reported each finding with CVSS scoring and associated recommendation, transating exploit chains into concrete business impact

  • Retested fixes with client dev teams post-remediation

• Research Intern, A*STAR

  Feb, 2023 - Aug, 20236 months

  Conducted applied-cryptography research on efficient computation over encrypted data using homomorphic encryption schemes.

  • Implemented and tested homomorphic encryption operations on encrypted integers in C++, using the HElib and NTL libraries

  • Researched efficient operations on encrypted integers based on homomorphic encryption schemes, extending university-level cryptography and discrete math foundations into an active research problem

  • Collaborated with multidisciplinary researchers including pure mathematicians in a professional research environment

• Undergraduate Teaching Assistant, Singapore University of Technology and Design (SUTD)

  May, 2023 - Aug, 20233 months

  Supported undergraduate students in a core Computer Science module while deepening personal technical foundations in Operating Systems and Networking.

  • Ran lab sessions and supported students; inspired the creation of a new lab exercise adopted into the curriculum to enhance practical learning

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Education

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