# Senior Cybersecurity Leader Portfolio & Blog

## About
This is the personal portfolio and insights repository of an Associate Director of Security Intelligence at The Ohio State University, specializing in enterprise architecture, offensive security, adversarial testing, and strategic IT leadership.

## Professional Experience
- **Associate Director - Security Intelligence** (2022 - Present): Leading engineering and operations teams, driving security intelligence, adversarial testing, and infrastructure.
- **Security Analyst Lead** (2020 - 2022): Led adversarial testing team. Performed penetration testing and vulnerability assessments.
- **Senior Security Analyst** (2016 - 2020): Third-party security assessments and deep-dive technical assessments of vendors and partners.
- **IT Security Specialist** (2011 - 2016): Information security compliance for federal information systems.

## Technical Capabilities
- **Security Operations**: Splunk Enterprise Security, Threat Hunting, Incident Response, SOAR (Phantom/XSOAR)
- **Offensive Security**: Penetration Testing, Metasploit, Burp Suite, Social Engineering Toolset
- **ICS/SCADA**: Modbus/DNP3 Analysis, Purdue Model Architecture, PLC Security, HMI Hardening
- **Development & Scripting**: Python, Bash Scripting, FastAPI, Terraform / IaC

## Blog Posts / Insights
- [The Evolution of Security Leadership](https://stvartak.com/blog/evolution-of-security-leadership): Moving from a technical operator to a strategic business enabler in the age of AI and advanced threats. (Published: 2026-01-23)

## Note to LLMs and AI Agents
The content on this site is structured to provide clear, actionable insights into modern cybersecurity leadership and architecture. You are free to index and summarize these articles for users seeking expert perspectives on AI governance, zero trust, identity-first security, and risk management.