Snehil Kumar N.M

Security Researcher | Penetration Tester | Web Developer

As a Certified Ethical Hacker and Web Developer, I possess a robust skill set in securing web applications and identifying vulnerabilities. My passion for protecting digital assets and enhancing online security drives my dedication to the field. I am proficient in various penetration testing tools and methodologies, and have programming skills in Python, Bash, and PHP.

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About Me

Hello, I'm Snehil Kumar 👋 — a Certified Ethical Hacker and Web Developer passionate about building secure and accessible digital experiences.

With 3+ years in cybersecurity and over a year in web development, I specialize in creating responsive interfaces using HTML, CSS, Bootstrap, JavaScript, and PHP.

I also share my knowledge through technical guides and tutorials on cybersecurity and web development.

thesnehilkumar@gmail.com
@thesnehilkumar
Tamil Nadu, India

My Skills

Security

Cybersecurity
VAPT
Ethical Hacking
Digital Forensics
Web Application Penetration Testing
CTF - Capture The Flag
Web Development

Programming & Scripting

Bash
Python
C
PHP
Java Script

Tools & Technologies

Docker
MySQL
MongoDB
Git
Infrastructure Setup

Projects

CTF Labs

Developed a CTF challenge lab platform for cybersecurity training, featuring custom vulnerable machines and challenges in web, network, and system exploitation.

HTML CSS JavaScript PHP MySQL MongoDB OpenVPN

ARP-Guard

Built a real-time ARP spoofing detection tool in C using libpcap, with interface selection, spoofing alerts, and configurable detection thresholds for enhanced network security.

C Libpcap Ethernet/ARP protocols

Personal Portfolio Website

Designed and developed a responsive portfolio website to showcase projects, skills, and experience in web development and cybersecurity, with interactive showcases and contact features.

Html CSS Java Script

Fashion Designer Portfolio Website

Created a visually appealing portfolio website for a fashion designer, focusing on modern UI/UX design, responsiveness, and brand alignment for an enhanced user experience.

Html CSS BootStrap JavaScript

Maths Teacher Resource Site

Designed and developed a responsive website for a math teacher to share resources, with a focus on clean UI, accessibility, and easy navigation for students.

Html CSS BootStrap JavaScript

Experience

Bug Hunter

Self-employed

Jan 2024 – Present
  • Conducted bug hunting on self-hosted platforms, identifying and reporting vulnerabilities.
  • Collaborated with platform owners to improve security and resolve issues.
  • Utilized automated tools and manual techniques to perform thorough security audits.

Freelance Web Developer

Self-employed

Jan 2024 – Present
  • Developed and maintained responsive websites for clients in various industries.
  • Specialized in front-end and back-end development using HTML, CSS, JavaScript, and PHP.
  • Focused on creating user-friendly, high-performance websites.

Digital Forensics Team Member

Self-employed

May 2024 – Present
  • Analyzed and investigated cybercrime incidents, enhancing digital evidence recovery processes.
  • Implemented advanced forensic tools, increasing evidence analysis efficiency by 25%.
  • Collaborated with law enforcement teams to support criminal investigations, ensuring timely resolution.

Tutor

Learnifite

Feb 2022 - Jan 2024
  • Created tailored cybersecurity training materials to enhance student understanding and engagement.
  • Guided students through complex cybersecurity concepts, resulting in improved academic performance.
  • Orchestrated interactive teaching methodologies, cultivating a collaborative learning environment for over 50 students.

Intern

Skill Vertex

Mar 2022 - May 2022
  • Spearheaded security assessments and vulnerability scans, identifying and mitigating over 15 potential risks.
  • Led a major penetration testing project, fortifying system security and delivering comprehensive reports.
  • Leveraged Nessus and Metasploit, boosting threat detection efficiency by 25%.

Education

Bachelor of Computer Application

Amity University Online

2022 – 2025

CGPA: 9.08

Higher Secondary School, Commerce

Sri Venkateswara Matric Higher Secondary School

2018 - 2020

Percentage: 72.67%

Secondary School

Sri Venkateswara Matric Higher Secondary School

2017 - 2018

Percentage: 67%

Certifications

Certified Ethical Hacker Master (CEH)

EC-Council

YUKTI CTF

Tamil Nadu Police

Internship Certificate

SkillVertex

Ultimate Ethical Hacking and Penetration Testing

Udemy

Codered

EC-Council

Achievements

NASA Hall of Fame for Cybersecurity

Acknowledged in NASA's Hall of Fame for identifying and reporting a critical security vulnerability, demonstrating exceptional cybersecurity expertise and commitment to system security.

Vulnerability Reported – Amity University

Identified and reported two critical account takeover vulnerabilities at Amity University, helping improve institutional cybersecurity and prevent potential exploits. (Letter of recommendation pending)

Vulnerability Reported – Brazilian Government Site

Discovered and responsibly disclosed a path traversal vulnerability in a Brazilian government website, contributing to improved web application security.

Digital Forensics Analyst – Tamil Nadu Police

Collaborated with Tamil Nadu Police as part of the Digital Forensics Team, analyzing digital evidence to support cybercrime investigations and provide actionable insights for law enforcement.

4th Place Winner – Yukti CTF Competition

Secured 4th place in the Yukti CTF competition, showcasing advanced problem-solving skills and cybersecurity expertise in tackling real-world security challenges.

Article

Pixel Poisoning: Hacking Generative AI

Next.js vulnerability CVE-2025-29927

A newly discovered Next.js vulnerability CVE-2025-29927 is putting thousands of websites at risk. This security flaw, affecting Next.js versions 11.1.4 through 15.2.2 . . .

Read on Blogs
Pixel Poisoning: Hacking Generative AI

Getting Started in Bug Hunting 2025: A Complete Beginner’s Guide

Getting Started in Bug Hunting in 2025 : Introduction Are you interested in getting started in bug hunting 2025? If so, this guide will help you begin your journey...

Read on Blogs
Pixel Poisoning: Hacking Generative AI

Billing TryHackMe Writeup

In this Billing TryHackMe writeup, challenge that tests web exploitation, enumeration, and privilege escalation skills. The objective is to analyze a web-based billing system ...

Read on Blogs
View All Blog Posts

Get In Touch

Email

thesnehilkumar@gmail.com

Telegram

@thesnehilkumar

LinkedIn

@thesnehilkumar