Projects | Jackson Hallahan

Security

Hands-on security labs focused on network defense, system hardening, and database vulnerability testing

Network Security

System Security

SID Lab – Hardened Windows systems by applying secure SID configuration practices

Database Security & Pentesting

SQL Pentest Lab – Simulated SQL injection attacks and implemented input sanitization
AI & Database Security Research (DOCX) – Explores AI-driven injection, impersonation, and password threats
AI & Database Security Presentation (PPTX) – Covers top 3 AI-based database risks with mitigation plans

Malware & Threat Reports

Ransomware Report – Deep dive into attack vectors, real cases, and emerging ransomware trends

Systems Analysis

Structured diagrams supporting systems analysis and design for a proposed client website redevelopment

As-Is Diagram – Visualizes the existing process structure and system limitations of the current site
Class Diagram – Blueprint of all classes, their properties, and how they connect in the new application design
System Architecture – Defines the structural blueprint of hardware, software, and integration points for the new site
To-Be Diagram – Outlines the optimized architecture and user experience of the new platform

Database Design

Relational database design documents and SQL practice labs focused on entity modeling, schema planning, and query construction

ERD Diagram - Visual entity-relationship model outlining tables, attributes, and relationships
ERD Lab - Practice assignment in ERD and normalization
Guidebook Pro Design - Customized schema for the Guidebook client project, built to support user profiles, trips, and guide data
SQL Lab - Sample queries using SELECT, JOIN, and aggregates
Tiny College DB - Entity diagrams and relational schema design for a fictional academic institution

Software Dev

Projects showcasing C# fundamentals, from basic calculations and string handling to structured input and interactive UI-based applications

Program 2 (Google Drive) - A Windows Forms application that calculates annual insurance policy costs based on user input for age, vehicle value, smoking status, health and auto coverage types. Displays detailed breakdowns for health, auto, and total policy costs
Program 3 (Google Drive) - Calculates final shipping contract costs for six businesses based on selected shipping provider discounts and contract length. Outputs detailed cost breakdown including business rate, provider discount, length-based discount, and final contract total
TipCalculator, LetterDemo Labs - Two beginner C# console applications: one calculates tips based on meal cost and percentage, and the other generates formatted letters using string input and output techniques

Web

Visual deliverables from the design and development of a client-facing website project.

Final Client Presentation

Final Client Presentation – Team walkthrough of features, user flow, and deliverables

Site Screenshots

Planning Diagrams