Welcome to my cybersecurity portfolio. This repository showcases security-focused projects that demonstrate my work:
- Security frameworks and breach analysis
- Open-Source Intelligence (OSINT)
- Secure network architecture
- Vulnerability and risk assessment
- Incident response planning
A cybersecurity framework analysis of the Yahoo data breach, focused on control failures in the Protect and Respond functions of NIST CSF 2.0.
Includes:
- NIST CSF 2.0
- Security control analysis
- Incident review
- Risk-based recommendations
An OSINT investigation examining Yahoo’s exposed “crown jewels,” public information risks, and how threat actors could leverage public data for phishing and social engineering.
Includes:
- OSINT
- Threat intelligence
- Social engineering analysis
- Phishing risk assessment
A Cisco Packet Tracer project designing a segmented, scalable, and resilient enterprise network with VLANs, DMZ placement, OSPF, and firewall controls.
Includes:
- Network segmentation
- VLAN design
- OSPF routing
- Firewall policy design
- Defense in depth
A risk assessment based on vulnerability scan results, including CVE analysis, severity prioritization, and a risk matrix to identify the most critical assets.
Includes:
- Vulnerability analysis
- CVE/CVSS interpretation
- Risk scoring
- Asset prioritization
- Security recommendations
A structured incident response playbook for handling a healthcare-related SQL injection breach affecting patient data.
Includes:
- Incident response
- SQL injection analysis
- Playbook development
- Recovery planning
- Security operations
I am an aspiring cybersecurity professional with many interests including but not limited to, security analysis, network defense, security tooling, cloud operations, and pen-testing. I am also trying to build hands-on projects, to strengthen my practical security skills.
- LinkedIn: www.linkedin.com/in/ayden-romulus-824023354/
- Email: ayromulus8@gmail.com