› Offensive Security
Pen testing, vuln research, exploit chains.
gaanesh@infosec:~$ whoami
Gaanesh Theivasigamani
Security Engineer & Researcher · Singapore
NUS Information Security · Analyst @ GIC
Always learning, always building, always exploring.
8
industry certifications
7
security roles & internships
3+
years in the field
// available · responds fast
gaanesh@infosec ~/whoami $ --verbose
Hey there! I'm Gaanesh, a Cyber Security Enthusiast and Engineer at GIC!
Feel free to reach out, I won't byte :)
› Digital Forensics
IR, evidence acquisition, root-cause analysis.
› AI for Sec Ops
Build agentic systems for cybersecurity operations.
gaanesh@infosec ~/experience $ ls -la --tree
7 entries · most recent first
2026
- Returning full-time as an Analyst on the 2026 GPP Technology Track (Cybersecurity).
- Project: agentic AI for cybersecurity operations — autonomous triage, investigation, and response loops.
2025
Vulnerability Researcher · NUS VDP
National University of Singapore
Jul 2024 – Dec 2025 · 1.5 years
- Part of the NUS Vulnerability Disclosure Programme — year-long NSWS contract.
- Conducted in-depth pen testing across NUS infrastructure, identifying and reporting security vulnerabilities.
- Collaborated with NUS IT to land secure remediations under NDA.
Cybersecurity Intern
GIC
May – Aug 2025 · 4 months
- Built an internal RAG chatbot with an agentic architecture — average response time dropped from ~1 hour to ~20 seconds.
- Wrote automation that retired manual workflows, cutting SLA from 5 days to ~2 minutes on key cloud security processes.
- Embedded security checks into CI/CD via API integrations.
2024
Undergraduate TA · CS2107 Intro to Information Security
National University of Singapore
Aug – Dec 2024 · 4 months
- Designed hands-on challenges spanning cryptography, web security, forensics, and reverse engineering.
- Ran interactive sessions that improved student engagement and learning outcomes.
Cyber AI Analytics Intern
Home Team Science and Technology Agency (HTX)
May – Aug 2024 · 4 months
- Vulnerability discovery across multiple applications.
- Configured and deployed an ELK stack for analysis and visualisation.
- Used Burp Suite for deep API analysis — surfaced hidden functionality and vulnerabilities.
2023
Cybersecurity Specialist
Cyber Security Agency of Singapore (CSA)
Aug 2021 – Aug 2023 · 2 years
- Acquired forensic evidence (system artefacts, logs) to support root-cause analysis during cyber incidents.
- Performed digital forensics across files, network, system logs, and memory captures to determine attack vectors.
- Liaised with CII providers and victim entities to coordinate incident response and mitigation.
gaanesh@infosec ~/writing $ tail -n 2 blog.gaanesh.com
from blog.gaanesh.com
8 min read
Now that things are ending, was it worth it?
Final semester thoughts: grinding, FOMO, and learning to find balance.
NUSReflectionsPersonal Growth
read ↗ 10 min read
What I’ve been up to in NUS
From CSA to NUS — a glimpse into my life.
NUSCertifications
read ↗gaanesh@infosec ~/certs $ ls -la
8 earned
CISSP
Certified Information Systems Security Professional
Dec 2025 – Dec 2028
OSAI
OffSec AI Red Teamer
Enrolled · Expected 2026
GREM
GIAC Reverse Engineering Malware
Nov 2024 – Nov 2028
OSWE
OffSec Web Expert
Issued Jul 2024
GCFA
GIAC Certified Forensic Analyst
Jun 2024 – Jun 2028
CEH
Certified Ethical Hacker
Apr 2024 – Apr 2027
gaanesh@infosec ~/projects $ git log --oneline
4 entries
tools.gaanesh.com ↗
2025 — ongoing
A suite of self-hosted utilities I kept needing. Runs entirely in your browser — no uploads, no server, nothing leaves the tab.
Browser-onlyNo uploadsPrivacy-first
IR Dojo — CTF for everyone
Dec 2021 – Mar 2022
A CTF focused on digital forensics and malware analysis. Won the MCI Idea! Award.
DFIREducation
BuildOn Singapore Hackathon
Aug 2020
A bed-sorting algorithm built on React + AWS for hospital capacity. Reached the semi-finals.
ReactAWS
Live Smart Singapore Hackathon (ACRA)
Jul – Aug 2020
Automated form-processing pipeline on React + AWS. Top-5 finalist.
ReactAWSAutomation
gaanesh@infosec ~/education $ cat *.degree
National University of Singapore
B. Computing in Information Security (Hons. with Distinction)
Honours · Distinction
2023 – 2025
Singapore Polytechnic
Diploma in Aerospace Electronics & Diploma+ in Aviation Management
2017 – 2020
gaanesh@infosec ~/voices $ grep -r 'gaanesh' ./team-notes/
Lee Jia Quan (Benny)
Computer Science · NUS
“ 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. 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. His openness to exchanging ideas and his focus on achieving results within the set timeline create a productive and enjoyable working environment.
Worked together at NUS 04 Jan 2025
Guo GangQuan
Information Security · NUS
“ 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 — he is quick to suggest alternative solutions when plans don't unfold as expected, ensuring progress and success in challenging situations.
Worked together at NUS 04 Jan 2025