Gaanesh Theivasigamani

About me

Hey there! I'm Gaanesh, an Information Security undergraduate at the National University of Singapore. My passion and experiences lie in conducting penetration tests, digital forensics, and developing CTF challenges. I'm always eager to stack new knowledge, expand my horizons and exchange insights with others (I got heaps). Feel free to reach out for anything - I won't byte ;)

Experience

GIC Internship Programme (GIP) - Cyber Security Track

GIC

May 2025 - Aug 2025 - 4 Months

• Incomming Summer Intern for the GIC Internship Programme (GIP) - Cyber Security Track.

Vulnerability Researcher - NUS Vulnerability Disclosure Programme

National University of Singapore (NUS)

Jul 2024 - Present

• Conducted in-depth penetration testing on various NUS infrastructures, identifying and reporting security vulnerabilities.
• Collaborated with NUS IT teams for secure solution implementation, adhering to confidentiality under NDA.
• Part of a year-long contract with the NUS Student Work Scheme (NSWS).

Undergraduate Teaching Assistant - CS2107 Introduction to Information Security

National University of Singapore (NUS)

Aug 2024 - Dec 2024 - 3 Months

• Designed and developed hands-on challenges in cryptography, web security, digital forensics, and reverse engineering.
• Enhanced student engagement and learning outcomes through interactive sessions.

Cyber AI Analytics Intern

Home Team Science and Technology Agency (HTX)

May 2024 - Aug 2024 - 4 Months

• Performed vulnerability discovery across multiple applications, uncovering potential security risks.
• Configured and deployed an ELK stack for data analysis and visualization.
• Utilized Burp Suite for in-depth API analysis, identifying hidden functionalities and vulnerabilities.

Cyber Security Specialist

Cyber Security Agency of Singapore (CSA)

Aug 2021 - Aug 2023 - 2 Years

• Acquiring Forensic Evidence: I work with victim entities to acquire forensic evidence, including system artifacts and system logs, that can be used to determine the root cause of a cyber incident.
• Digital Forensics Analysis: Utilizing various forensic tools and techniques, I examine the digital evidence obtained from victim entities to determine the underlying cause of a cyber attack. This involves scrutinizing system artifacts like files, network activity logs, system logs, and memory captures.
• Liaising with CIIs and Victims: I act as a liaison between Critical Information Infrastructure providers (CIIs) and victim entities, communicating information about the incident and facilitating a coordinated response to aid in mitigationSpecialising

Certifications

• OSED (OffSec Exploit Developer) Enrolled, expected completion in 2025 ¯\_(ツ)_/¯
  
• GREM (GIAC Reverse Engineering Malware) Nov 2024 - Nov 2028
  
• OSWE (OffSec Web Expert) Jul 2024
  
• GCFA (GIAC Certified Forensic Analyst) Jun 2024 - Jun 2028
  
• CEH (Certified Ethical Hacker) Apr 2024 - Apr 2027
  
• OSCP (OffSec Certified Professional) Mar 2024
  

Projects

Education

Skills

• Penetration Testing
• Vulnerability Assessment
• Incident Response
• Digital Forensics
• Malware Analysis & Reverse Engineering

Testimonials

"Working alongside Gaanesh has been a truly inspiring experience. His enthusiasm and curiosity have consistently fueled my own motivation to tackle new and challenging projects. Gaanesh is always eager to engage in meaningful discussions, particularly about trending advancements in cybertech and their implications on our work, which adds depth and relevance to our collaborations. What stands out most about Gaanesh is his unwavering dedication and goal-oriented mindset. When he commits to a project, he ensures that it is not only completed on time but also meets his high personal standards. This level of diligence makes collaborating with him an exceptional experience. His openness to exchanging ideas and his focus on achieving results within the set timeline create a productive and enjoyable working environment."

Lee Jia Quan (Benny)

Computer Science undergrad at NUS

Worked together in NUS

04 Jan 2025

"Gaanesh is an exceptional team player who consistently motivates the team to exceed their potential. His strong communication skills and ability to collaborate effectively with diverse individuals make him a valuable asset in any group setting. With a solid academic background and a keen interest in cybersecurity, Gaanesh brings both knowledge and passion to his work. His problem-solving skills are remarkable, as he is quick to suggest alternative solutions when plans don't unfold as expected, ensuring progress and success in challenging situations."

Guo GangQuan

Information Security undergrad at NUS

Worked together in NUS

04 Jan 2025