Hi, I'm Dehemi 👋

I'm a cybersecurity student at Sri Lanka Institute of Information Technology (SLIIT) with a passion for technology, security, and building impactful digital solutions. I enjoy exploring cybersecurity, web technologies, and problem-solving while continuously learning how to create secure, efficient, and user-focused systems. Although I’m still growing in the field, my curiosity and enthusiasm for technology make every new challenge exciting.

Rathnapura, Sri Lanka

Available for new projects

About me

Curious about me? Here you have it:

I'm a passionate, cybersecurity student at SLIIT with a strong interest in technology, digital security, and building modern solutions. I’m enthusiastic about understanding how systems work, identifying vulnerabilities, and learning how to build secure, efficient, and user-focused digital experiences. Clean design, problem-solving, performance, and security matter to me.

As a cybersecurity student, I enjoy learning about ethical hacking, network security, penetration testing, secure software practices, and modern development technologies. I believe in continuously improving, staying curious, and adapting to the ever-changing tech landscape.

Finally, some quick bits about me.

Cybersecurity student at SLIIT
Passionate about technology & security
Curious problem solver
Continuous learner
Exploring web development & cybersecurity

One last thing — I’m always excited to learn, collaborate, and connect with like-minded people in tech 🚀

Skills

The skills, tools and technologies I am really good at:

Javascript

CSS

HTML

React

Python

Node.js

Express.js

Jupyter

SQL

Java

Springboot

Kotlin

Ubuntu

MongoDB

Tomcat

Tailwindcss

Figma

Linux

C programming

Git

Experience

Here is a quick summary of my most recent experiences:

Student

Completed Advanced Level (A/L) education at Ferguson High School in the Science stream.
Studied Combined Mathematics, ICT, and Physics, achieving passes in Combined Mathematics (C), ICT (C), and Physics (S).

Jan 2022 - NA

Student

Currently pursuing a degree in Cyber Security at SLIIT.
Built foundational knowledge in network security, ethical hacking, secure systems, and risk management.
Worked on academic projects involving programming, cybersecurity concepts, and system analysis.
Gained hands-on experience with technical problem-solving, teamwork, and practical security concepts.
Collaborated on team-based coursework and research-driven assignments.

Feb 2024 - Jun 2028

Projects

Some of the noteworthy projects I have built:

Browser Fingerprint Checker

A React application that demonstrates browser fingerprinting technology for educational purposes.

React

CSS3

Canvas

WebGL

AudioContext

Crypto API

Client-Server Framework

A comprehensive client-server network application demonstrating secure authentication, token-based session management, and framed protocol communication over TCP sockets.

Python

TCP Sockets

SHA-512 Hashing

Token generation

Rate limiting

Cardiovascular Disease Risk Predictor

A machine learning notebook that predicts cardiovascular disease risk from clinical and lifestyle data using logistic regression, preprocessing pipelines, cross-validation, and performance visualization.

Pandas

Numpy

Scikit-learn

Matplotlib

imbalanced-learn

Logistic Regression

Smart Study - AI-Powered Study Assistant

A simplified React study tool with AI integration, quiz generation, mind mapping, and voice transcription.

React

vite

React Flow

PDF.js

Groq

Web Speech API

Certifications

Here are some certifications I've earned

"A fundamental overview of the modern cyber threat landscape."

Introduction to Cybersecurity - Cisco Networking Academy

d438336e-9bbd-41be-8425-95ed2cce10a2

View Credential

Get in touch

I’m always open to connecting, collaborating, or discussing new ideas. Feel free to reach out. I’d love to hear from you!

dehemisadithma25@gmail.com

You may also find me on these platforms!