Security Researcher & Enthusiast

Arun Khatwe

I’m an offensive security enthusiast focused on red teaming, AI-powered and cloud pentesting. I enjoy exploring how attacks work and sharing my knowledge through Redefen Security to help others grow in cybersecurity.

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Project Done
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Labs & CTFs
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Years Learning
Arun Khatwe
About Me

Cybersecurity is what I do.

I’m a cybersecurity student focused on offensive security, AI, and cloud security. I enjoy breaking systems to understand them better and then making them stronger.

Certifications
Security+ (In Progress)
CPTS(In Progresss)
PNPT(In Progress)
AWS Certified Security - Specialty (In Progress)

My Journey

  • Started with curiosity about how systems are attacked and defended

  • Completed 150+ projects & participated in 40+ CTF challenges

  • Specialized in red teaming, cloud & AI security

Specializations

Penetration Testing

Web apps, APIs & network exploitation

Cloud Security

AWS, Azure, GCP hardening & audits

Red Teaming

Real-world attack simulations

Technical Skills

Expertise & Proficiency

A comprehensive set of tools and technologies to identify, exploit, and defend against vulnerabilities.

Web Pentesting

OWASP Top 10, SQL Injection, XSS, CSRF, Authentication Bypass, API Security

Burp SuiteOWASP ZAPPython

Cloud Security

AWS, Azure, GCP, IAM Misconfigurations, S3 Bucket Exploitation, Cloud Forensics

AWSAzureGCP

Linux & Networking

Linux Privilege Escalation, Network Protocols, Packet Analysis, System Hardening

LinuxWiresharknmap

Scripting & Automation

Python, Bash, PowerShell, Exploit Development, Tool Creation, Automation Scripts

PythonBashPowerShell

Red Teaming

Social Engineering, Phishing, C2 Frameworks, Malware Analysis, Post-Exploitation

MetasploitCobaltMimikatz

Defense & Hardening

Incident Response, Threat Modeling, SIEM, IDS/IPS, Compliance, Security Architecture

SplunkSuricataMITRE

Proficiency Levels

Expert4-5 years
Web PentestingLinuxPythonCTF Challenges
Intermediate2-3 years
Cloud SecurityRed TeamingBashNetwork Security
Learning1-2 years
AI SecurityKubernetesIncident ResponseGolang
LanguagesFluency
English (Fluent)Hindi (Native)German (Learning - A2)
View Projects
Professional Journey

Experience & Background

My journey in cybersecurity, from learning fundamentals to conducting advanced security assessments and research.

Security Researcher

Redefen Security2023 - PresentRemote

Leading red team operations and publishing security research on advanced offensive techniques.

Conducted 15+ penetration tests on enterprise systems
Published 20+ technical blog posts on security topics
Mentored junior security researchers

Penetration Tester

InfoSec Labs2022 - 2023Hybrid

Performed comprehensive security assessments for Fortune 500 companies and startups.

Identified and remediated 100+ vulnerabilities
Developed automated testing frameworks
Trained development teams on secure coding

CTF Competitor

HackTheBox & TryHackMe2021 - PresentRemote

Active participant in capture-the-flag competitions and online security challenges.

Completed 40+ CTF challenges
Ranked in top 100 on HackTheBox
Wrote detailed writeups for complex challenges
Get In Touch

Contact Me

Have a project in mind, need a security assessment, or just want to connect? Drop me a message and I'll get back to you shortly.

Email

nano.aruninfo@gmail.com

Location

Nepal — Available Remotely

Response Time

Usually within 24 hours

Open To

Freelance · Collaboration · Research

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