Ethical Hacker · Bug Bounty Researcher · Cryptography & SS7 Explorer
"Secure the signal. Break the noise. Ship the fix." — operating mantra
┌─[nkg@cyberdeck]─[~/offsec]
└──$ status --verbose
status : online
stack : offensive security / deep crypto / telecom edge
focus : vulnerabilities that matter, reports that get patched
- 🕶️ B.E. Cyber Security student (Easwari Engineering College) obsessed with practical exploit design and clean disclosure.
- 🎯 Active bug bounty researcher across Bugcrowd targets (KFC, OPPO) delivering reproducible PoCs and mitigation playbooks.
- 🛡️ Creator of VAPT playbooks for Fluent X clients; lead Null EEC Chapter ops, spinning up CTFs and blue-team vs red-team drills.
- 🧪 Research rabbit holes: post-quantum primitives, blockchain threat models, SS7 signaling interception, covert channels.
| Surface | Mission Packet | Current Experiments |
|---|---|---|
Web & API |
Break auth flows, smash logic bugs, chain low severity to payouts. | Multi-tenant auth bypass lab, automated recon pipelines. |
Cryptography |
Stress-test smart contracts, roll custom proofs, adversarial fuzzing. | Solidity escrow vault, BB84 key-exchange simulator. |
SS7 / Telecom |
Track insecure routing, SIM swap vectors, SMS interception. | Private lab with srsLTE + rogue HLR replay scripts. |
Nikto ffuf
Foundry Zero-Knowledge Circuits
AWS IAM AWS EC2 AWS S3 AWS VPC Azure AD Azure VNet Azure VMs
Kali Ubuntu
SS7 Toolkits srsLTE Osmocom Sensor Integration
- SIH 2024 — Built the Track & Trace blockchain backend; team crowned national winners.
- SARAM 2024 Project Expo — Runner-up showcasing Cipher-Connect secure comms suite.
- Fluent X — Delivered end-to-end VAPT with executive-ready remediation matrix.
- Null EEC Chapter — Vice President coordinating CTF design, purple-team workshops, and campus cyber drills.
- Automating recon-to-report pipelines with Python, Nuclei, and custom correlation logic.
- SS7 attack surface lab with SDR hardware, mapping paging channel abuse scenarios.
- Quantum-safe key exchange demos blending QKD concepts with practical app integrations.
- 📧
Kumarangnanda@proton.me - 🔗 linkedin.com/in/nanda-kumaran-g
- ☁️ Always up for collaborations on offensive research, stealth crypto primitives, or telecom resilience.
"If it is exploitable, it is fixable." — Ping me before the bad actors do.