⧩ CYBERSEC · ETHICAL HACKER

Shaid Mahamud —
Cybersecurity Specialist,
Ethical Hacker.

I'm Shaid Mahamud, a cybersecurity professional focused on penetration testing, web and API security, OSINT, network security, Linux and practical security research.

Let's Work Together View GitHub ↗
Dhaka, Bangladesh Independent University, Bangladesh Open to cybersecurity opportunities
01

Professional Profile

Shaid Mahamud is a cybersecurity specialist with a practical offensive-security mindset focused on identifying weaknesses, understanding attack paths and communicating security findings clearly.

My background includes web and API penetration testing, OSINT and reconnaissance, Linux, networking, Active Directory labs, Python and Bash automation, and security tooling.

I also develop practical knowledge in security operations, SIEM, digital forensics, AWS fundamentals and malware-analysis fundamentals.

02

Cybersecurity Expertise

01

Web & API Security

OWASP Top 10, vulnerability assessment, authorized penetration testing, security testing and professional reporting.

Burp Suite · Nmap · SQLMap · Metasploit
02

OSINT & Reconnaissance

Open-source intelligence, target discovery, digital-footprint analysis and structured reconnaissance workflows.

OSINT · Recon · Search Operators · Automation
03

Network Security

CCNA-level networking with TCP/IP, subnetting, DNS, DHCP, ARP, NAT, ports, HTTP and firewall fundamentals.

Wireshark · TCP/IP · DNS · Linux
04

Systems & Active Directory

Linux and Windows administration, Kali Linux, virtualization and Active Directory security labs.

Kali · Linux · Windows · Active Directory
05

Security Automation

Python and Bash scripting for repeatable security workflows, enumeration and operational automation.

Python · Bash · Git · APIs
06

Security Operations

Developing defensive capability across monitoring, SIEM, digital forensics, cloud security and malware-analysis fundamentals.

Wazuh · Splunk · AWS · Forensics
03

Cybersecurity Projects

// selected security, programming and university projects

01

S-Recon

Reconnaissance-focused security tooling for information gathering and enumeration.

Shell · Security · Recon
02

Auto-Nmap

Automation for repeatable Nmap network scanning and reconnaissance workflows.

Nmap · Bash · Automation
03

SQLMap Automation

Bash-based workflow for authorized SQL injection testing and repeatable assessment tasks.

SQLMap · Bash · Web Security
04

Spam SMS Detection

Machine-learning project for detecting and classifying spam SMS messages.

Python · ML · NLP
05

LocalLoop

University software project focused on a local community and service-oriented web application.

PHP · Web · Database
06

More on GitHub

Explore the complete collection of security, programming and university projects.

Public repositories
04

Cybersecurity Experience

Freelance Cybersecurity Specialist

Fiverr

Providing authorized security testing, vulnerability assessment, penetration testing and professional security reporting for clients.

Bug Bounty Researcher

Independent Security Research

Practicing responsible vulnerability discovery and security research across web applications and APIs.

Penetration Testing

Independent Practice

Conducting controlled penetration-testing labs covering reconnaissance, exploitation, privilege escalation and post-exploitation analysis.

Founder — Cyber Hub

Cybersecurity Learning Community

Building cybersecurity learning resources, hands-on labs, CTF practice and beginner-focused security education.

05

Education & Certifications

B.Sc. in Computer Science & Engineering

Independent University, Bangladesh

Ongoing · Relevant coursework includes computer networks, operating systems and information security.

Academic projects focused on secure application development and automation.

Higher Secondary Certificate — Science

Santahar Government College

Secondary School Certificate — Science

Naogaon Government High School

Cyber Security Program

Arena Web Security — 2025

CCNA v7: Switching, Routing & Wireless Essentials

Cisco — 2024

CCNA v7: Introduction to Networks

Cisco — 2024

Advanced Cyber Security: Threats & Governance

Great Learning

CyberDiplomacy Training

United Nations Office for Disarmament Affairs
06

Technical Skills

Vulnerability Assessment Penetration Testing Risk Analysis Incident Response OWASP Top 10 XSS SQL Injection CSRF IDOR Authentication Security Burp Suite Nmap SQLMap FFUF Dirsearch Metasploit Wireshark Maltego Sherlock Recon-ng Search Operators Python Bash TCP/IP DNS HTTP/S SSL/TLS Kali Linux Parrot OS Ubuntu Windows
07

Curriculum Vitae

📄 Download my full CV

Complete resume with experience, education, certifications and technical skills.

08

Professional Cybersecurity Services

01

Web & API Penetration Testing

Authorized security testing aligned with common web application security risks.

02

OSINT & Investigation

Structured open-source research and digital-footprint analysis.

03

Email Security

SPF, DKIM and DMARC configuration and security review.

04

Security Automation

Python and Bash workflows for repetitive security tasks.

⧩ GET IN TOUCH

Let's build something
secure.

For cybersecurity opportunities, authorized freelance security work, collaborations or technical projects, feel free to reach out.

Email Me LinkedIn ↗
📞 +880 1787 238957 · shaidmahamud4@gmail.com · github.com/shaid69 · linkedin.com/in/shaid-mahamud-16793b308