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Cybersecurity Portfolio

Building secure systems with clarity and discipline.

I’m a Ball State cybersecurity student focused on defensive security, networking, and hands-on vulnerability assessment. I enjoy building labs, documenting findings clearly, and improving security posture step-by-step.

40+
Vulns Found (Lab)
168
Users Simulated
3.8
GPA

About

I’m Marvellous Ajani, pursuing a B.S. in Cybersecurity at Ball State University with a minor in Criminal Justice. I’m building a strong foundation across network security, ethical hacking, defensive security, digital forensics, system administration, shell scripting, and programming.

Dean’s List (Fall 2023 – Present) CompTIA Security+ CompTIA CySA+ (listed)

Work Experience

Front Desk Technical Assistant

Ball State University • Muncie, IN

Jan 2025 – Present

  • Assist students with ID card printing, replacement, and RFID troubleshooting, ensuring accurate encoding and updates.
  • Operate ID management software and card-printing hardware to produce secure university identification cards.
  • Verify student records and follow identity validation procedures aligned with campus security protocols.
  • Provide front-line technical support for RFID and system access issues.

Recreation Center Assistant

Ball State University • Muncie, IN

Jul 2025 – Dec 2025

  • Checked in students and verified eligibility and access credentials for facility use.
  • Supported membership payment processing and account updates using campus management systems.
  • Ensured compliance with access policies while maintaining accurate attendance and payment records.
  • Provided customer support and resolved inquiries about membership and facility rules.

Projects

Two featured projects from his resume (you can add GitHub links anytime).

Secure Enterprise Network Simulation

Jan 2024 – Present

  • Designed a secure 7-floor enterprise network (168 users, 5 servers, 6 printers) using Cisco Packet Tracer.
  • Configured IP addressing, VLAN segmentation, trunking, routing, and pfSense firewall rules.
  • Produced a bill of materials, cost estimates, and a working simulation to demonstrate deployment readiness.
  • Documented risk, pen-testing results, and CVSS-based remediation aligned with NIST standards.

Vulnerability Assessment Practice Lab

Aug 2025 – Present

  • Deployed vulnerable VMs (Metasploitable, DVWA, OWASP Juice Shop) for real-world attack simulation.
  • Executed scans with Nmap and OpenVAS; identified 40+ vulnerabilities across web and network layers.
  • Improved posture through structured mitigation planning and prioritization.
  • Delivered a report with findings, CVSS severity, and prioritized mitigation steps.

Technical Skills

Security Tools

Wireshark, pfSense, Nmap, Burp Suite, Metasploit

Networking

TCP/IP, DNS, DHCP, VLANs, VPN configuration, firewall rules (pfSense)

Programming + IR

Python, Bash, Java • Log analysis, vulnerability assessments, SIEM monitoring (Splunk, Defender)

Risk & Compliance + Forensics

NIST CSF, ISO 27001, SOC 2 • Magnet Axiom, FTK Imager, Eraser

Education

Ball State University

B.S. Cybersecurity • Minor: Criminal Justice

Muncie, Indiana • GPA: 3.8/4.0

Coursework: Network Security, Ethical Hacking, Defensive Security, Digital Forensics, System Administration, Shell Scripting, Programming.

Certifications

  • CompTIA Security+
  • CompTIA CySA+ (as listed)

Contact

Links

Tip: add a custom domain later to make this link look professional on resumes.