Offensive Security Professional

Harsh Vala.

// OSCP+  ·  Pro Hacker · HTB  ·  CTF #13 Global  ·  Ahmedabad, India

Offensive security professional with a B.Sc. in Cyber Security. I specialise in web application exploitation, Active Directory attacks, and network penetration testing. Active CTF competitor — every technique I learn gets documented publicly.

#46
OffSec Gauntlet CTF
global · 3500+ participants
#13
TryHackMe CTF
global rank
100+
HTB Machines Rooted
Pro Hacker rank
0.5%
TryHackMe Platform
global top percentile
01

Experience & Education.

Information Security Intern Jan – Mar 2025
ISEA · Information Security Education Awareness, Ahmedabad
  • Vulnerability assessments on web applications and internal networks
  • Penetration testing — exploitation and validation in lab environments
  • Structured remediation reporting aligned with OWASP Top 10
  • Toolchain: Burp Suite · Nmap · Nessus
Volunteer · Technical Operations Feb 2024 – Present
NULLCON International Security Conference, Goa
  • On-site systems and access control for India's premier infosec conference
  • Direct engagement with security researchers and red team professionals
B.Sc. Cyber Security & Forensic Science 2023 – 2026
Gujarat University, Ahmedabad · CGPA 7.50 / 10.0
  • OSINT · Network Security · Digital Forensics · Cloud Computing · Blockchain · AI
02

Skills & Platforms.

Languages
PythonBashSQL
Offensive Tooling
Burp SuiteNmap NessusMetasploit BloodHoundImpacket evil-winrmChisel CrackMapExecResponder Kerbrute
Domains
Active Directory Exploitation Web Application Security Privilege Escalation Network Enumeration AD CS Attacks OSINT Cloud Pentesting Linux / Windows
03

CTF & Rankings.

OffSec Gauntlet CTF
#46
global out of 3,500+ participants
TryHackMe CTF
#13
global rank
HackTheBox
100+
machines rooted · Pro Hacker rank
TryHackMe Platform
0.5%
global top percentile
Competition History
Active on CTFtime · web, pwn, forensics, crypto, misc

Regular competitor in national and international CTFs. OffSec Gauntlet win (top 50 globally), TryHackMe platform events, and ongoing training across all major categories.

Certifications
OSCP+ PT1 CPTS · in progress
HTB: app.hackthebox.com/users/2149579
CTFtime: ctftime.org/user/228035
04

Projects.

Kerberos Configuration Automator Python · Active Directory

Automates Kerberos configuration for Active Directory environments, enabling seamless workflow with Impacket, BloodHound, and evil-winrm. Eliminates repetitive manual setup during AD exploitation engagements — from ticket generation to tool authentication.

github.com/l1nuxkid ↗
05

Knowledge Base.

Public Security Notes
l1nuxkid.gitbook.io

Methodologies, lab walkthroughs, attack techniques, and CTF writeups — documented as I go. Everything I learn gets written up and shared publicly.

Priv Esc · Linux/Win Active Directory AD CS Attacks Web Pentesting Cloud Security HTB Writeups CTF Writeups
Open Notes ↗
06

Let's work
together.

Open to full-time roles, freelance pentests, and collaborations. Direct line — no middlemen.

Direct message
Send me a quick message.