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jacobnava8/README.md

πŸ‘‹ Hi, I'm Jacob Nava

πŸŽ“ MS Business Analytics (2026) @ The University of Texas at Arlington
πŸ” CompTIA Security+ Certified | Cybersecurity & Data Analytics Enthusiast
πŸ“Š Passionate about applying data-driven insights & security practices to real-world problems


πŸš€ Featured Projects

πŸ” Cybersecurity

  • Network Vulnerability Scanner πŸ›‘οΈ
    Built a Python-based TCP port scanning tool to identify exposed services and generate vulnerability-style reports.

  • Firewall & IDS Capstone πŸ”₯
    Configured Snort IDS logging/alerting and implemented firewall rules to detect and block suspicious traffic.

  • Secure Network Setup πŸ”’
    Set up lab environments with OS/network configuration, security baselines, and hardening practices.

  • Ethical Hacking Lab βš”οΈ
    Used Kali Linux, Nmap, and Metasploit to identify and validate vulnerabilities in DMZ/internal servers, documenting findings and remediation notes.


πŸ“Š Data Analytics

  • Cotton GSTD Time-Series Risk Model (Client-Sponsored Capstone) πŸŒΏπŸ“ˆ
    Built a time-series classification pipeline with lag/rolling features and LightGBM, producing an interpretable risk score and stakeholder-ready metrics.

  • Telco Customer Churn Analysis πŸ“‰
    Performed EDA + feature analysis on 7,000+ records and trained Logistic Regression/Decision Tree models (~79% accuracy); improved decisions using threshold cost–benefit analysis.

  • DBMS SQL Schema πŸ—„οΈ
    Designed a normalized relational schema (inventory, suppliers, orders, customers) and supported analytics with structured queries/views.

  • Task Management System βœ…
    Developed a Java-based web app implementing CRUD workflows and secure authentication/role-based access.


πŸ› οΈ Skills

  • Cybersecurity: Threat Detection β€’ SIEM β€’ IDS/IPS β€’ Firewalls β€’ Vulnerability Assessment β€’ Ethical Hacking
  • Data Analytics: Python β€’ SQL β€’ R β€’ Tableau β€’ Power BI β€’ Logistic Regression β€’ Decision Trees β€’ Data Visualization
  • Programming: Python β€’ Java β€’ SQL β€’ R
  • Tools: Wireshark β€’ Nmap β€’ Metasploit β€’ Excel β€’ Virtual Machines

πŸ“¬ Connect

Popular repositories Loading

  1. jacobnava8 jacobnava8 Public

  2. dbms-sql-schema dbms-sql-schema Public

    Relational database schema design for inventory, suppliers, orders, and customers with SQL scripts and ER diagram.

  3. firewall-ids-capstone firewall-ids-capstone Public

    Capstone project implementing firewall rules and IDS (Snort) for detecting and blocking malicious traffic.

  4. network-vulnerability-scanner network-vulnerability-scanner Public

    Python-based port scanner that detects open TCP ports (1–1025) to identify potential vulnerabilities.

    Python

  5. secure-network-setup secure-network-setup Public

    Configuration files and documentation for setting up secure OS and network environments with security baselines.

  6. task-management-system task-management-system Public

    Java-based web application for task tracking with secure login, role-based access, and database integration.