Hello, I am Lasantha Chinthaka

Web developer and cybersecurity enthusiast focused on secure, scalable solutions. Open to new opportunities to create impactful digital experiences.

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vasantbhai

Security Analyst

About Me

About

A Journey of Innovation and Problem-Solving.

A web developer and cybersecurity enthusiast with expertise in secure, scalable solutions. I specialize in IT infrastructure, cybersecurity, and automation, ensuring efficiency and security in digital environments. Passionate about problem-solving, I’m open to new opportunities where I can apply my technical knowledge to create impactful solutions.

My customer service skills help communicate technical issues clearly, providing timely, empathetic support in technical roles.

  • Full Name:Lasantha Chinthaka
  • Language:English, Sinhalese, Japanese (Beginner)
  • Phone No:+1 416-854-9407
  • Email:lasantha@chinthaka.dev
  • Address:Toronto, ON, Canada
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Web Development

HTML, CSS, JavaScript, React, and backend integration for dynamic and responsive applications.

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Cybersecurity

Threat analysis, incident response, and ethical hacking to strengthen security measures.

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IT & Networking

System administration, troubleshooting, and network security for smooth operations.

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Automation & Analysis

Python scripting, Excel automation, and database management for efficiency.

My Resume

Achievements

Education

  • December 2023 - June 2024
    Cyber Security Intensive- Certificate

    The Cyber Security Intensive program at York University provided hands-on experience and advanced knowledge in cybersecurity, equipping me to address real-world security challenges.

  • January 2020 - December 2020
    Computer System & Network Specialist- Diploma

    The Computer System & Network Specialist program by Evergreen equipped me with comprehensive skills in system administration, network management, and troubleshooting to ensure optimal IT infrastructure performance.

  • January 2015 - April 2018
    Information Technology- Higher National Diploma

    The Information Technology HND from AICT Sri Lanka provided me with a solid foundation in IT principles, software development, and network management, preparing me for advanced roles in the tech industry.

Experiense

  • February 2022 - Current
    Canlan Ice Sports- Customer Service Representative

    Strong problem-solving and customer service skills, with experience quickly identifying and resolving issues to provide efficient customer experiance.

  • September 2022 - January 2023
    Randstad- Customer Support Specialist

    Provided technical support to Bank of America and Boeing customers, resolving 250+ inquiries weekly, improving satisfaction to 90%+, and efficiently managing tickets using ServiceNow, CS Pro, and Genesis Cloud.

  • December 2014 - January 2020
    Coding Hex Development- Web Developer & IT Support

    Provided technical troubleshooting for web systems, identified security vulnerabilities, optimized performance, enhanced POS systems to boost sales by 35%, and managed Windows/Linux environments, RESTful APIs, and cloud solutions.

My Certificates

Standards

IBM Data Analyst Professional Certificate

Awarded - May 2022

Graphics Design

Microsoft Azure Fundamentals

Awarded - March 2022

Azure Fundamentals

ISC2 Certified in Cybersecurity (CC)

Awarded - August 2024

development

Google Cybersecurity Certificate

Awarded - January 2025

Google Cybersecurity

Comptia Security+ Certificate

Expected - April 2025

Google Cybersecurity

My Projects

Portfolio

Incident Handlers Journal

This Incident Handler's Journal showcases my ability to document and analyze security incidents, highlighting my approach to incident response and post-incident evaluation.

Final Report

This final report to executives and stakeholders provides a comprehensive analysis of the incident, outlining key findings, actions taken, and recommendations for future prevention and improvement.

PASTA Worksheet

This PASTA (Process for Attack Simulation and Threat Analysis) worksheet outlines a structured security assessment for Stages Sneaker Company, identifying threats, vulnerabilities, and mitigation strategies to enhance security.

  • Date : January 2024
  • Type : Report
  • Source : PASTA.pdf

Network Traffic Analysis

This Cybersecurity Incident Report on Network Traffic Analysis details my investigation into DNS and ICMP traffic logs, identifying a potential Denial of Service attack or misconfiguration as the cause of a DNS server failure.

Security Incident Report

This Security Incident Report details my analysis of a website compromise involving unauthorized JavaScript injections, highlighting the investigation process, attack vector, and remediation strategies for brute force attacks.

Applying Filters Using SQL

SQL security walkthrough demonstrates how I applied filters and operators to investigate suspicious login attempts and manage system updates, ensuring enhanced security and compliance within the organization.

File Permissions in Linux

This project demonstrates how I analyzed and modified file and directory permissions in Linux using ls -la and chmod to enforce proper access controls, enhancing security for the research team’s projects directory.

vulnerabilities Assessment

This report highlights my vulnerability assessment of a MySQL database server, identifying risks and implementing security measures like authentication, encryption, and access controls.

Parking Lot USB Exercise

This exercise assesses the risks of exposed data on USB drives, including malware, social engineering, and PII vulnerabilities, and emphasizes prevention strategies like disabling autoplay and raising employee awareness.

Simple Python Projects

I build small Python programs and games to enhance my coding skills. These projects help me explore different libraries and frameworks. They also allow me to apply problem-solving techniques in a fun and engaging way.

Get in Touch

Contact

Contact

  +1 416 854 9407

Address

  Toronto, ON, Canada