Nitish Kumar
Penetration Tester focused on real-world web application and network security. I actively hunt vulnerabilities through CTFs, hands-on labs, and bug bounty programs, with experience discovering and responsibly disclosing security flaws including CVEs. My goal is to help organizations find and fix security gaps before attackers exploit them.
About Me
I’m Nitish Kumar, a penetration tester focused on finding and exploiting real-world vulnerabilities in web applications and networks. I work with CTFs, labs, and bug bounty style testing to identify security flaws before attackers do.
I have hands-on experience in web exploitation, Linux systems, and security testing workflows, and I actively participate in CTFs and security research, including CVE-level vulnerability discovery.
Stats
Skills
Core Skills
Tools
Cybersecurity Experience & Achievements
Cybersecurity Internships
Cyber Leelawat
Oct 2025 - Oct 2025
Gaining hands-on experience in web application and network penetration testing using tools like Nmap, Burp Suite, Wireshark, and Metasploit while following OWASP Top 10 practices.
Alfido Tech
Oct 2025 - Nov 2025 · Remote
Worked on cybersecurity fundamentals and hands-on security testing using tools like Kali Linux, Wireshark, Nmap, Burp Suite, OWASP ZAP, and Metasploit Framework.
Pinnacle Labs
Oct 2025 - Nov 2025 · Remote
Worked on cybersecurity projects including Password Analyzer, Image Encryption, Text Encryption, and Keylogger Software while improving practical security and encryption concepts.
Redynox
One-Month Internship
Gained hands-on experience in Network Security, Web Application Security, OWASP ZAP, Wireshark analysis, and identifying vulnerabilities like SQL Injection, XSS, and CSRF..
Security Projects
Advanced Network Sniffer
A Python-based advanced network sniffer built using Scapy for real-time packet capture, protocol analysis, bandwidth monitoring, and PCAP saving.
CTF Participation
Bug Bounty & Vulnerability Disclosure
Certifications
Blog & Articles
I share detailed writeups on Cybersecurity, Penetration Testing, vulnerability analysis, hands-on lab solutions, and real-world bug bounty experiences.
On my Medium profile, you’ll find step-by-step technical guides, security research insights, Linux troubleshooting, network exploitation techniques, and ethical hacking tutorials.
Contact Me
Contact Information
Have a question or want to work together? Feel free to reach out.
- nitishbhaisocial@gmail.com
- +91 xxxxxxxxxx