Portrait of Samiul Quoreshi Sourav

Samiul Quoreshi Sourav

Cyber Security Specialist

Offensive securityPenetration testingSecurity research

About Me

A highly technical and dedicated individual with a strong specialization in offensive cybersecurity. Skilled in penetration testing and vulnerability assessments to identify and exploit weaknesses in real-world engagements. Hands-on experience in breaching network defenses, compromising Active Directory infrastructures, and executing privilege escalation tactics during offensive engagements. Passionate about staying ahead of the techniques attackers use to breach systems and developing new offensive approaches to test and strengthen cyber defenses.

06+

Years of experience

06+

Certifications earned

20+

CTFs participated

Selected Projects

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Jan 2024 - PresentLab environment

Active Directory Home Lab

Built and maintained a custom Active Directory lab for realistic offensive security practice. The environment includes domain controllers, GPOs, ACLs, and repeatable attack paths for enumeration, privilege escalation, and lateral movement exercises.

Nov 2021 - Aug 2023Automation tool

SearchX

A multipurpose Telegram bot written in Python that integrates with the Google Drive API to automate searching, uploads, downloads, and related file management workflows.

Highlights

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2025Champion

Bangladesh Computer Society CTF 2025

20252nd Runner Up

Red Team Village Phoenix Summit CTF 2025

20242nd Runner Up

BUET Inter University Capture The Flag 2024

Certifications

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Hack The Box

HTB Certified Penetration Testing Specialist

Cyber Warfare Labs

Certified Red Team Analyst

APIsec University

APIsec Certified Practitioner