Cybersecurity Enthusiast (Web App Security) • Web Developer • CSE Student (AIUB)

Sagar Biswas is a Computer Science and Engineering (CSE) student at American International University–Bangladesh (AIUB), a cybersecurity enthusiast, ethical hacker (web application security), and web developer.

This is the official GitHub profile of Sagar Biswas, known online as SagarBiswas-MultiHAT, where he publishes open-source projects, cybersecurity tools, learning notebooks, and web development work.

• Name: Sagar Biswas
• Username: SagarBiswas-MultiHAT
• Field: Web Developer, Cybersecurity (Ethical Hacking, Web App Security)
• Role: BSc in Computer Science And Engineering (CSE) Student at American International University Bangladesh
• Country: Bangladesh
• e-Portfolio: https://sagarbiswas-multihat.github.io/

👋 About Me

Hi! I’m Sagar Biswas, a passionate coder, web developer, and aspiring web penetration tester from Bangladesh. With a strong foundation in computer science, I’m on a mission to master the art of cybersecurity and make the web a safer place.

🌟 What I’m About

I’m deeply driven by curiosity and the thrill of solving problems. Whether it’s building secure web applications or uncovering vulnerabilities, I love learning, experimenting, and improving my skills every day.

💻 What I’m Working On

Currently, I’m focused on:

Enhancing my penetration testing skills with practical, hands-on experience.
Developing secure and efficient web applications.
Strengthening my knowledge of programming languages like Python, C++, Bash scripting, and more.

🌱 What I’m Learning

To achieve my goals, I’m diving into:

Web security fundamentals: Mastering concepts like XSS, SQL injection, and CSRF.
Penetration testing tools: Exploring Burp Suite, OWASP ZAP, Metasploit, and other industry-standard tools.
Advanced coding practices: Writing robust, secure code to prevent vulnerabilities.
Networking basics: Understanding protocols like HTTP/HTTPS, DNS, and TCP/IP.

📫 Let’s Connect!

I’m always eager to connect with fellow developers, cybersecurity enthusiasts, and learners. Check out my repositories to see what I’m working on, or feel free to reach out. Let’s collaborate, share ideas, and grow together! 🚀

Skills: Python | C++ | C | C# | Java | ArduinoScripts | BashScripts | DuckyScripts | html | css | javascript | PHP | React |

• 🔭 I’m currently working on Exploring advanced penetration testing techniques and applying them to real-world scenarios.
• 🌱 I’m currently learning CSE at American International University Bangladesh (AIUB).
• 👯 I’m looking to collaborate on Open-source projects focused on cybersecurity and web security.
• 🤔 I’m looking for help with Improving my penetration testing skills and learning advanced techniques.
• 💬 Ask me about Programming Languages, Network Security, Linux Tools.
• 📫 How to reach me: eng.sagar.aiub@gmail.com || 01727361077
• 😄 Pronouns: He/Him
• ⚡ Fun fact: My biggest weakness: when I am engaged with any work, I can't keep concerned with other work without finishing that.

If you discover a security issue in any of my projects, please contact me directly at   OR eng.sagar.aiub@gmail.com with details. Do not post exploit details publicly until we discuss and agree on responsible disclosure and remediation.

• Resume: resume PDF

• Certifications: Google Drive

NOTE: To find more notebooks, projects, tips and tricks like this, join my Facebook community group and check the featured section for notebooks and explore the Posts to discover real-world projects.