Offensive Security Consultant

Hi, I'm Saikumar Raju

Cybersecurity Professional

4+ years of experience in VAPT, Web Application Security, API Testing, Mobile Security, and AWS Cloud Security. Passionate about identifying vulnerabilities and securing digital infrastructure.

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4+
Years Experience
50+
VAPT Projects
100+
Vulnerabilities Found
3
Certifications

What I Do

Comprehensive cybersecurity services and expertise

Web Security

Web application penetration testing, OWASP Top 10 vulnerabilities, secure code review

API Security

REST API testing, GraphQL security, authentication bypass, API pentesting

Mobile Security

Android & iOS app security testing, reverse engineering, Frida dynamic analysis

Network Security

Internal & external network pentesting, vulnerability assessment, Nmap, Metasploit

Cloud Security

AWS security assessment, IAM review, S3 bucket audit, cloud hardening

VAPT

Complete vulnerability assessment and penetration testing with detailed reports

Security Tools

Burp Suite, OWASP ZAP, Nessus, Wireshark, SQLMap, Nikto, Nmap

Programming

Python, Bash, JavaScript, SQL for automation and security scripting

Work Experience

My professional journey in cybersecurity

Offensive Security Consultant

Astracybertech Pvt Ltd

  • Lead comprehensive VAPT assessments for Web, Mobile, API, and Network
  • Executed 50+ security assessments for banking, healthcare, and e-commerce
  • Conducted network penetration testing using Nmap, Nessus, and Metasploit
  • Performed mobile app security testing for Android & iOS
  • Executed AWS cloud security assessments and created detailed security reports

Security Analyst

Yash Technologies

  • Conducted Web and API security testing identifying critical vulnerabilities
  • Utilized OWASP ZAP, Burp Suite, and SQLMap for security assessment
  • Performed network security assessments detecting misconfigurations
  • Participated in Red Team exercises and security risk assessments
  • Prepared technical security reports with mitigation strategies

Security Knowledge Base

Explore my cybersecurity portfolio and research

🌐

Web Security

Web vulnerabilities, exploitation, payloads, mitigation

50+ Pages
🔌

API Security

REST API vulnerabilities, JWT, OAuth, GraphQL

7 Pages
📱

Mobile Security

Android & iOS app security, reverse engineering

6 Pages
🏢

Active Directory

AD attacks, Kerberos, DCSync, Golden Tickets

25+ Pages
🖥️

Systems & Networks

Protocols, privesc, pivoting, database attacks

30+ Pages
🎭

Evasion Techniques

AV/EDR bypass, process injection, LOLBAS

20+ Pages
📡

WiFi & Radio

WPA2/WPA3 attacks, RFID, Bluetooth, BLE

20+ Pages
🔍

OSINT & Recon

Email, domain, username, password hunting

20+ Pages
☁️

Cloud Security

AWS, Azure, GCP security testing

5+ Pages
🎯

Bug Bounty

Real-world writeups, methodology, tips

5+ Pages