Hari Krishna D

Cybersecurity Enthusiast | Penetration Tester | CTF Player

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About Me

I'm a passionate cybersecurity professional specializing in penetration testing and ethical hacking. Currently pursuing my Bachelor's in Computer Science and Engineering at Vellore Institute of Technology, I'm dedicated to securing digital landscapes and participating in CTF challenges.

My expertise includes network scanning, vulnerability assessment, and exploitation techniques using industry-standard tools like Nmap, Metasploit, and Burp Suite.

  • Penetration Testing
  • Ethical Hacking
  • CTF Challenges
  • Web App Security

Education

Vellore Institute of Technology

Bachelor of Computer Science and Engineering | Expected Sep 2026

Amaravati, Andhra Pradesh

Relevant Coursework:

  • Computer Networks
  • Problem solving (Python)
  • Web Application Security
  • Object oriented Programming (Java)
  • Social Network Analysis
  • Database Management System

Royal Matric Higher Secondary School

Higher Secondary | 2008 - 2022

Experience

Penetration Tester

Hackersdaddy | Aug 2024 – Present

  • Conducting website penetration tests and black-box assessments using Nmap, Metasploit, and Burp Suite.
  • Participating in Capture The Flag (CTF) challenges and authoring security reports with remediation suggestions.

Cybersecurity Intern

Tamil Nadu Cyber Crime Wing | Jul 2024

  • Assisted in investigating online crimes, including social media, IP, and log analysis, as well as OSINT.

Penetration Tester

Hacktify | Feb 2024 – Mar 2024

  • Performed web application penetration tests, identifying vulnerabilities and drafting remediation reports.
  • Strengthened cybersecurity skills through Capture The Flag (CTF) challenges.

Projects

Offensive-pi

A low-cost radio transceiver for frequency interception and security testing.

Technologies: Raspberry Pi, DragonOS, PiFM, RTL-SDR

Rebel Alliance CTF

Designed and hosted CTF challenges covering various security domains on the CTFd platform.

Focus: Cryptography, Forensics, Steganography, Network Analysis, OSINT

Achievements

Social Engagements

Skills developed:

  • Leadership
  • Problem solving and critical thinking
  • Project management
  • Collaboration and teamwork

Events organized:

  • Capture The Flag event
  • AI music concert
  • Various workshops related to cybersecurity